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Finding the Fourth Proportional to 457,363.11, 686,673.08 and 232,874.39

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Solution

The fourth proportional to 457,363.11, 686,673.08 and 232,874.39 is: 349,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,363.11 : 686,673.08 = 232,874.39 : x
  2. Step 2: Convert to fraction form
    457,363.11/686,673.08 = 232,874.39/x
  3. Step 3: Cross multiply
    457,363.11x = 686,673.08 × 232,874.39
  4. Step 4: Simplify right side
    457,363.11x = 159,908,570,036.68
  5. Step 5: Solve for x
    x = 159,908,570,036.68/457,363.11
  6. Step 6: Final answer
    x = 349,631.54

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1.5x scale

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.