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Finding the Fourth Proportional to 563,332.50, 777,398.85 and 324,868.50

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Solution

The fourth proportional to 563,332.50, 777,398.85 and 324,868.50 is: 448,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,332.50 : 777,398.85 = 324,868.50 : x
  2. Step 2: Convert to fraction form
    563,332.50/777,398.85 = 324,868.50/x
  3. Step 3: Cross multiply
    563,332.50x = 777,398.85 × 324,868.50
  4. Step 4: Simplify right side
    563,332.50x = 252,552,398,301.23
  5. Step 5: Solve for x
    x = 252,552,398,301.23/563,332.50
  6. Step 6: Final answer
    x = 448,318.53

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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.