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Finding the Fourth Proportional to 590,506.60, 885,759.90 and 410,103.40

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Solution

The fourth proportional to 590,506.60, 885,759.90 and 410,103.40 is: 615,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,506.60 : 885,759.90 = 410,103.40 : x
  2. Step 2: Convert to fraction form
    590,506.60/885,759.90 = 410,103.40/x
  3. Step 3: Cross multiply
    590,506.60x = 885,759.90 × 410,103.40
  4. Step 4: Simplify right side
    590,506.60x = 363,253,146,573.66
  5. Step 5: Solve for x
    x = 363,253,146,573.66/590,506.60
  6. Step 6: Final answer
    x = 615,155.10

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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.