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Finding the Fourth Proportional to 488,945.88, 732,281.58 and 475,492.32

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Solution

The fourth proportional to 488,945.88, 732,281.58 and 475,492.32 is: 712,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,945.88 : 732,281.58 = 475,492.32 : x
  2. Step 2: Convert to fraction form
    488,945.88/732,281.58 = 475,492.32/x
  3. Step 3: Cross multiply
    488,945.88x = 732,281.58 × 475,492.32
  4. Step 4: Simplify right side
    488,945.88x = 348,194,267,367.47
  5. Step 5: Solve for x
    x = 348,194,267,367.47/488,945.88
  6. Step 6: Final answer
    x = 712,132.53

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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.