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Finding the Fourth Proportional to 692,666.03, 955,870.03 and 386,747.61

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Solution

The fourth proportional to 692,666.03, 955,870.03 and 386,747.61 is: 533,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,666.03 : 955,870.03 = 386,747.61 : x
  2. Step 2: Convert to fraction form
    692,666.03/955,870.03 = 386,747.61/x
  3. Step 3: Cross multiply
    692,666.03x = 955,870.03 × 386,747.61
  4. Step 4: Simplify right side
    692,666.03x = 369,680,451,848.82
  5. Step 5: Solve for x
    x = 369,680,451,848.82/692,666.03
  6. Step 6: Final answer
    x = 533,706.63

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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.