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Finding the Fourth Proportional to 737,666.46, 1,018,011.02 and 410,979.20

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Solution

The fourth proportional to 737,666.46, 1,018,011.02 and 410,979.20 is: 567,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,666.46 : 1,018,011.02 = 410,979.20 : x
  2. Step 2: Convert to fraction form
    737,666.46/1,018,011.02 = 410,979.20/x
  3. Step 3: Cross multiply
    737,666.46x = 1,018,011.02 × 410,979.20
  4. Step 4: Simplify right side
    737,666.46x = 418,381,347,445.83
  5. Step 5: Solve for x
    x = 418,381,347,445.83/737,666.46
  6. Step 6: Final answer
    x = 567,168.73

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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.