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Finding the Fourth Proportional to 532,763.35, 735,224.26 and 291,061.57

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Solution

The fourth proportional to 532,763.35, 735,224.26 and 291,061.57 is: 401,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,763.35 : 735,224.26 = 291,061.57 : x
  2. Step 2: Convert to fraction form
    532,763.35/735,224.26 = 291,061.57/x
  3. Step 3: Cross multiply
    532,763.35x = 735,224.26 × 291,061.57
  4. Step 4: Simplify right side
    532,763.35x = 213,995,527,417.69
  5. Step 5: Solve for x
    x = 213,995,527,417.69/532,763.35
  6. Step 6: Final answer
    x = 401,670.89

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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.