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Finding the Fourth Proportional to 588,998.90, 883,498.35 and 402,374.90

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Solution

The fourth proportional to 588,998.90, 883,498.35 and 402,374.90 is: 603,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,998.90 : 883,498.35 = 402,374.90 : x
  2. Step 2: Convert to fraction form
    588,998.90/883,498.35 = 402,374.90/x
  3. Step 3: Cross multiply
    588,998.90x = 883,498.35 × 402,374.90
  4. Step 4: Simplify right side
    588,998.90x = 355,497,560,231.42
  5. Step 5: Solve for x
    x = 355,497,560,231.42/588,998.90
  6. Step 6: Final answer
    x = 603,562.35

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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.