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Finding the Fourth Proportional to 587,808.20, 881,712.30 and 377,856.20

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Solution

The fourth proportional to 587,808.20, 881,712.30 and 377,856.20 is: 566,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,808.20 : 881,712.30 = 377,856.20 : x
  2. Step 2: Convert to fraction form
    587,808.20/881,712.30 = 377,856.20/x
  3. Step 3: Cross multiply
    587,808.20x = 881,712.30 × 377,856.20
  4. Step 4: Simplify right side
    587,808.20x = 333,160,459,171.26
  5. Step 5: Solve for x
    x = 333,160,459,171.26/587,808.20
  6. Step 6: Final answer
    x = 566,784.30

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Similar ratio
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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.