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Finding the Fourth Proportional to 488,273.60, 732,410.40 and 207,754.40

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Solution

The fourth proportional to 488,273.60, 732,410.40 and 207,754.40 is: 311,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,273.60 : 732,410.40 = 207,754.40 : x
  2. Step 2: Convert to fraction form
    488,273.60/732,410.40 = 207,754.40/x
  3. Step 3: Cross multiply
    488,273.60x = 732,410.40 × 207,754.40
  4. Step 4: Simplify right side
    488,273.60x = 152,161,483,205.76
  5. Step 5: Solve for x
    x = 152,161,483,205.76/488,273.60
  6. Step 6: Final answer
    x = 311,631.60

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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.