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Finding the Fourth Proportional to 402,693.20, 555,683.52 and 237,094.84

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Solution

The fourth proportional to 402,693.20, 555,683.52 and 237,094.84 is: 327,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,693.20 : 555,683.52 = 237,094.84 : x
  2. Step 2: Convert to fraction form
    402,693.20/555,683.52 = 237,094.84/x
  3. Step 3: Cross multiply
    402,693.20x = 555,683.52 × 237,094.84
  4. Step 4: Simplify right side
    402,693.20x = 131,749,695,265.04
  5. Step 5: Solve for x
    x = 131,749,695,265.04/402,693.20
  6. Step 6: Final answer
    x = 327,171.39

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1.5x scale

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.