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Finding the Fourth Proportional to 719,375, 1,078,504.08 and 466,120.40

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Solution

The fourth proportional to 719,375, 1,078,504.08 and 466,120.40 is: 698,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,375 : 1,078,504.08 = 466,120.40 : x
  2. Step 2: Convert to fraction form
    719,375/1,078,504.08 = 466,120.40/x
  3. Step 3: Cross multiply
    719,375x = 1,078,504.08 × 466,120.40
  4. Step 4: Simplify right side
    719,375x = 502,712,753,171.23
  5. Step 5: Solve for x
    x = 502,712,753,171.23/719,375
  6. Step 6: Final answer
    x = 698,818.77

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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.