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Finding the Fourth Proportional to 652,064.40, 978,169.68 and 585,092.88

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Solution

The fourth proportional to 652,064.40, 978,169.68 and 585,092.88 is: 877,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,064.40 : 978,169.68 = 585,092.88 : x
  2. Step 2: Convert to fraction form
    652,064.40/978,169.68 = 585,092.88/x
  3. Step 3: Cross multiply
    652,064.40x = 978,169.68 × 585,092.88
  4. Step 4: Simplify right side
    652,064.40x = 572,320,115,199.88
  5. Step 5: Solve for x
    x = 572,320,115,199.88/652,064.40
  6. Step 6: Final answer
    x = 877,704.89

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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.