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Finding the Fourth Proportional to 710,717.82, 1,070,871.83 and 587,126.80

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Solution

The fourth proportional to 710,717.82, 1,070,871.83 and 587,126.80 is: 884,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,717.82 : 1,070,871.83 = 587,126.80 : x
  2. Step 2: Convert to fraction form
    710,717.82/1,070,871.83 = 587,126.80/x
  3. Step 3: Cross multiply
    710,717.82x = 1,070,871.83 × 587,126.80
  4. Step 4: Simplify right side
    710,717.82x = 628,737,550,758.04
  5. Step 5: Solve for x
    x = 628,737,550,758.04/710,717.82
  6. Step 6: Final answer
    x = 884,651.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.