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Finding the Fourth Proportional to 375,643,602.80, 563,465,404.20 and 103,013,932.40

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Solution

The fourth proportional to 375,643,602.80, 563,465,404.20 and 103,013,932.40 is: 154,520,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,643,602.80 : 563,465,404.20 = 103,013,932.40 : x
  2. Step 2: Convert to fraction form
    375,643,602.80/563,465,404.20 = 103,013,932.40/x
  3. Step 3: Cross multiply
    375,643,602.80x = 563,465,404.20 × 103,013,932.40
  4. Step 4: Simplify right side
    375,643,602.80x = 58,044,787,057,997,488
  5. Step 5: Solve for x
    x = 58,044,787,057,997,488/375,643,602.80
  6. Step 6: Final answer
    x = 154,520,898.60

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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.