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Finding the Fourth Proportional to 587,246.60, 880,869.90 and 492,768.20

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Solution

The fourth proportional to 587,246.60, 880,869.90 and 492,768.20 is: 739,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,246.60 : 880,869.90 = 492,768.20 : x
  2. Step 2: Convert to fraction form
    587,246.60/880,869.90 = 492,768.20/x
  3. Step 3: Cross multiply
    587,246.60x = 880,869.90 × 492,768.20
  4. Step 4: Simplify right side
    587,246.60x = 434,064,675,057.18
  5. Step 5: Solve for x
    x = 434,064,675,057.18/587,246.60
  6. Step 6: Final answer
    x = 739,152.30

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Double scale
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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.