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Finding the Fourth Proportional to 441,816.76, 609,678.08 and 260,519.92

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Solution

The fourth proportional to 441,816.76, 609,678.08 and 260,519.92 is: 359,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,816.76 : 609,678.08 = 260,519.92 : x
  2. Step 2: Convert to fraction form
    441,816.76/609,678.08 = 260,519.92/x
  3. Step 3: Cross multiply
    441,816.76x = 609,678.08 × 260,519.92
  4. Step 4: Simplify right side
    441,816.76x = 158,833,284,627.35
  5. Step 5: Solve for x
    x = 158,833,284,627.35/441,816.76
  6. Step 6: Final answer
    x = 359,500.36

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Half scale
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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.