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Finding the Fourth Proportional to 338,359.47, 466,915.84 and 187,445.55

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Solution

The fourth proportional to 338,359.47, 466,915.84 and 187,445.55 is: 258,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,359.47 : 466,915.84 = 187,445.55 : x
  2. Step 2: Convert to fraction form
    338,359.47/466,915.84 = 187,445.55/x
  3. Step 3: Cross multiply
    338,359.47x = 466,915.84 × 187,445.55
  4. Step 4: Simplify right side
    338,359.47x = 87,521,295,495.28
  5. Step 5: Solve for x
    x = 87,521,295,495.28/338,359.47
  6. Step 6: Final answer
    x = 258,663.65

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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.