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Finding the Fourth Proportional to 587,281.60, 880,922.40 and 307,345.60

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Solution

The fourth proportional to 587,281.60, 880,922.40 and 307,345.60 is: 461,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,281.60 : 880,922.40 = 307,345.60 : x
  2. Step 2: Convert to fraction form
    587,281.60/880,922.40 = 307,345.60/x
  3. Step 3: Cross multiply
    587,281.60x = 880,922.40 × 307,345.60
  4. Step 4: Simplify right side
    587,281.60x = 270,747,623,581.44
  5. Step 5: Solve for x
    x = 270,747,623,581.44/587,281.60
  6. Step 6: Final answer
    x = 461,018.40

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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.