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Finding the Fourth Proportional to 625,133.69, 862,666.63 and 367,006.40

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Solution

The fourth proportional to 625,133.69, 862,666.63 and 367,006.40 is: 506,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,133.69 : 862,666.63 = 367,006.40 : x
  2. Step 2: Convert to fraction form
    625,133.69/862,666.63 = 367,006.40/x
  3. Step 3: Cross multiply
    625,133.69x = 862,666.63 × 367,006.40
  4. Step 4: Simplify right side
    625,133.69x = 316,604,169,045.58
  5. Step 5: Solve for x
    x = 316,604,169,045.58/625,133.69
  6. Step 6: Final answer
    x = 506,458.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.