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Finding the Fourth Proportional to 624,367.79, 935,042.63 and 357,318.71

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Solution

The fourth proportional to 624,367.79, 935,042.63 and 357,318.71 is: 535,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,367.79 : 935,042.63 = 357,318.71 : x
  2. Step 2: Convert to fraction form
    624,367.79/935,042.63 = 357,318.71/x
  3. Step 3: Cross multiply
    624,367.79x = 935,042.63 × 357,318.71
  4. Step 4: Simplify right side
    624,367.79x = 334,108,219,884.80
  5. Step 5: Solve for x
    x = 334,108,219,884.80/624,367.79
  6. Step 6: Final answer
    x = 535,114.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.