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Finding the Fourth Proportional to 532,666.35, 734,129.01 and 403,294.86

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Solution

The fourth proportional to 532,666.35, 734,129.01 and 403,294.86 is: 555,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,666.35 : 734,129.01 = 403,294.86 : x
  2. Step 2: Convert to fraction form
    532,666.35/734,129.01 = 403,294.86/x
  3. Step 3: Cross multiply
    532,666.35x = 734,129.01 × 403,294.86
  4. Step 4: Simplify right side
    532,666.35x = 296,070,456,309.89
  5. Step 5: Solve for x
    x = 296,070,456,309.89/532,666.35
  6. Step 6: Final answer
    x = 555,827.22

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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.