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Finding the Fourth Proportional to 464,179.50, 640,777.55 and 292,350

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Solution

The fourth proportional to 464,179.50, 640,777.55 and 292,350 is: 403,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,179.50 : 640,777.55 = 292,350 : x
  2. Step 2: Convert to fraction form
    464,179.50/640,777.55 = 292,350/x
  3. Step 3: Cross multiply
    464,179.50x = 640,777.55 × 292,350
  4. Step 4: Simplify right side
    464,179.50x = 187,331,316,742.50
  5. Step 5: Solve for x
    x = 187,331,316,742.50/464,179.50
  6. Step 6: Final answer
    x = 403,575.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.