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Finding the Fourth Proportional to 338,310.96, 466,386.84 and 242,787.12

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Solution

The fourth proportional to 338,310.96, 466,386.84 and 242,787.12 is: 334,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,310.96 : 466,386.84 = 242,787.12 : x
  2. Step 2: Convert to fraction form
    338,310.96/466,386.84 = 242,787.12/x
  3. Step 3: Cross multiply
    338,310.96x = 466,386.84 × 242,787.12
  4. Step 4: Simplify right side
    338,310.96x = 113,232,717,689.50
  5. Step 5: Solve for x
    x = 113,232,717,689.50/338,310.96
  6. Step 6: Final answer
    x = 334,700.12

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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.