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Finding the Fourth Proportional to 811,751.60, 1,218,047.56 and 588,950.98

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Solution

The fourth proportional to 811,751.60, 1,218,047.56 and 588,950.98 is: 883,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,751.60 : 1,218,047.56 = 588,950.98 : x
  2. Step 2: Convert to fraction form
    811,751.60/1,218,047.56 = 588,950.98/x
  3. Step 3: Cross multiply
    811,751.60x = 1,218,047.56 × 588,950.98
  4. Step 4: Simplify right side
    811,751.60x = 717,370,304,148.61
  5. Step 5: Solve for x
    x = 717,370,304,148.61/811,751.60
  6. Step 6: Final answer
    x = 883,731.31

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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.