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Finding the Fourth Proportional to 591,641.60, 887,462.40 and 556,649.60

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Solution

The fourth proportional to 591,641.60, 887,462.40 and 556,649.60 is: 834,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,641.60 : 887,462.40 = 556,649.60 : x
  2. Step 2: Convert to fraction form
    591,641.60/887,462.40 = 556,649.60/x
  3. Step 3: Cross multiply
    591,641.60x = 887,462.40 × 556,649.60
  4. Step 4: Simplify right side
    591,641.60x = 494,005,589,975.04
  5. Step 5: Solve for x
    x = 494,005,589,975.04/591,641.60
  6. Step 6: Final answer
    x = 834,974.40

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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.