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Finding the Fourth Proportional to 532,858.38, 735,355.14 and 291,155.88

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Solution

The fourth proportional to 532,858.38, 735,355.14 and 291,155.88 is: 401,800.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,858.38 : 735,355.14 = 291,155.88 : x
  2. Step 2: Convert to fraction form
    532,858.38/735,355.14 = 291,155.88/x
  3. Step 3: Cross multiply
    532,858.38x = 735,355.14 × 291,155.88
  4. Step 4: Simplify right side
    532,858.38x = 214,102,972,899.22
  5. Step 5: Solve for x
    x = 214,102,972,899.22/532,858.38
  6. Step 6: Final answer
    x = 401,800.89

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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.