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Finding the Fourth Proportional to 441,452.48, 609,192.96 and 257,726.24

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Solution

The fourth proportional to 441,452.48, 609,192.96 and 257,726.24 is: 355,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,452.48 : 609,192.96 = 257,726.24 : x
  2. Step 2: Convert to fraction form
    441,452.48/609,192.96 = 257,726.24/x
  3. Step 3: Cross multiply
    441,452.48x = 609,192.96 × 257,726.24
  4. Step 4: Simplify right side
    441,452.48x = 157,005,011,015.27
  5. Step 5: Solve for x
    x = 157,005,011,015.27/441,452.48
  6. Step 6: Final answer
    x = 355,655.52

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.