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Finding the Fourth Proportional to 587,428.70, 881,434.65 and 232,454.30

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Solution

The fourth proportional to 587,428.70, 881,434.65 and 232,454.30 is: 348,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,428.70 : 881,434.65 = 232,454.30 : x
  2. Step 2: Convert to fraction form
    587,428.70/881,434.65 = 232,454.30/x
  3. Step 3: Cross multiply
    587,428.70x = 881,434.65 × 232,454.30
  4. Step 4: Simplify right side
    587,428.70x = 204,893,274,561.50
  5. Step 5: Solve for x
    x = 204,893,274,561.50/587,428.70
  6. Step 6: Final answer
    x = 348,796.84

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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.