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Finding the Fourth Proportional to 459,148.40, 688,722.60 and 332,521.10

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Solution

The fourth proportional to 459,148.40, 688,722.60 and 332,521.10 is: 498,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,148.40 : 688,722.60 = 332,521.10 : x
  2. Step 2: Convert to fraction form
    459,148.40/688,722.60 = 332,521.10/x
  3. Step 3: Cross multiply
    459,148.40x = 688,722.60 × 332,521.10
  4. Step 4: Simplify right side
    459,148.40x = 229,014,796,546.86
  5. Step 5: Solve for x
    x = 229,014,796,546.86/459,148.40
  6. Step 6: Final answer
    x = 498,781.65

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Similar ratio
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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.