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Finding the Fourth Proportional to 835,441.40, 1,152,910.08 and 453,468.08

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Solution

The fourth proportional to 835,441.40, 1,152,910.08 and 453,468.08 is: 625,786.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,441.40 : 1,152,910.08 = 453,468.08 : x
  2. Step 2: Convert to fraction form
    835,441.40/1,152,910.08 = 453,468.08/x
  3. Step 3: Cross multiply
    835,441.40x = 1,152,910.08 × 453,468.08
  4. Step 4: Simplify right side
    835,441.40x = 522,807,920,390.25
  5. Step 5: Solve for x
    x = 522,807,920,390.25/835,441.40
  6. Step 6: Final answer
    x = 625,786.46

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Double scale
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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.