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Finding the Fourth Proportional to 592,115.64, 887,386.14 and 512,858.76

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Solution

The fourth proportional to 592,115.64, 887,386.14 and 512,858.76 is: 768,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,115.64 : 887,386.14 = 512,858.76 : x
  2. Step 2: Convert to fraction form
    592,115.64/887,386.14 = 512,858.76/x
  3. Step 3: Cross multiply
    592,115.64x = 887,386.14 × 512,858.76
  4. Step 4: Simplify right side
    592,115.64x = 455,103,755,401.59
  5. Step 5: Solve for x
    x = 455,103,755,401.59/592,115.64
  6. Step 6: Final answer
    x = 768,606.21

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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.