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Finding the Fourth Proportional to 532,112.50, 734,332.43 and 302,663.89

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Solution

The fourth proportional to 532,112.50, 734,332.43 and 302,663.89 is: 417,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,112.50 : 734,332.43 = 302,663.89 : x
  2. Step 2: Convert to fraction form
    532,112.50/734,332.43 = 302,663.89/x
  3. Step 3: Cross multiply
    532,112.50x = 734,332.43 × 302,663.89
  4. Step 4: Simplify right side
    532,112.50x = 222,255,904,631.97
  5. Step 5: Solve for x
    x = 222,255,904,631.97/532,112.50
  6. Step 6: Final answer
    x = 417,685.93

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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.