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Finding the Fourth Proportional to 488,476.40, 732,714.60 and 451,151.60

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Solution

The fourth proportional to 488,476.40, 732,714.60 and 451,151.60 is: 676,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,476.40 : 732,714.60 = 451,151.60 : x
  2. Step 2: Convert to fraction form
    488,476.40/732,714.60 = 451,151.60/x
  3. Step 3: Cross multiply
    488,476.40x = 732,714.60 × 451,151.60
  4. Step 4: Simplify right side
    488,476.40x = 330,565,364,133.36
  5. Step 5: Solve for x
    x = 330,565,364,133.36/488,476.40
  6. Step 6: Final answer
    x = 676,727.40

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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.