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Finding the Fourth Proportional to 338,312.68, 466,851.30 and 187,398.76

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Solution

The fourth proportional to 338,312.68, 466,851.30 and 187,398.76 is: 258,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,312.68 : 466,851.30 = 187,398.76 : x
  2. Step 2: Convert to fraction form
    338,312.68/466,851.30 = 187,398.76/x
  3. Step 3: Cross multiply
    338,312.68x = 466,851.30 × 187,398.76
  4. Step 4: Simplify right side
    338,312.68x = 87,487,354,724.39
  5. Step 5: Solve for x
    x = 87,487,354,724.39/338,312.68
  6. Step 6: Final answer
    x = 258,599.10

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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.