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Finding the Fourth Proportional to 310,926.64, 466,404.54 and 100,581.04

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Solution

The fourth proportional to 310,926.64, 466,404.54 and 100,581.04 is: 150,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,926.64 : 466,404.54 = 100,581.04 : x
  2. Step 2: Convert to fraction form
    310,926.64/466,404.54 = 100,581.04/x
  3. Step 3: Cross multiply
    310,926.64x = 466,404.54 × 100,581.04
  4. Step 4: Simplify right side
    310,926.64x = 46,911,453,693.92
  5. Step 5: Solve for x
    x = 46,911,453,693.92/310,926.64
  6. Step 6: Final answer
    x = 150,876.28

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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.