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Finding the Fourth Proportional to 532,209.48, 734,443.05 and 302,761.38

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Solution

The fourth proportional to 532,209.48, 734,443.05 and 302,761.38 is: 417,807.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,209.48 : 734,443.05 = 302,761.38 : x
  2. Step 2: Convert to fraction form
    532,209.48/734,443.05 = 302,761.38/x
  3. Step 3: Cross multiply
    532,209.48x = 734,443.05 × 302,761.38
  4. Step 4: Simplify right side
    532,209.48x = 222,360,991,349.41
  5. Step 5: Solve for x
    x = 222,360,991,349.41/532,209.48
  6. Step 6: Final answer
    x = 417,807.27

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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.