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Finding the Fourth Proportional to 488,603.60, 732,905.40 and 173,416.40

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Solution

The fourth proportional to 488,603.60, 732,905.40 and 173,416.40 is: 260,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,603.60 : 732,905.40 = 173,416.40 : x
  2. Step 2: Convert to fraction form
    488,603.60/732,905.40 = 173,416.40/x
  3. Step 3: Cross multiply
    488,603.60x = 732,905.40 × 173,416.40
  4. Step 4: Simplify right side
    488,603.60x = 127,097,816,008.56
  5. Step 5: Solve for x
    x = 127,097,816,008.56/488,603.60
  6. Step 6: Final answer
    x = 260,124.60

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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.