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Finding the Fourth Proportional to 488,717.20, 732,857.10 and 222,340.60

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Solution

The fourth proportional to 488,717.20, 732,857.10 and 222,340.60 is: 333,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,717.20 : 732,857.10 = 222,340.60 : x
  2. Step 2: Convert to fraction form
    488,717.20/732,857.10 = 222,340.60/x
  3. Step 3: Cross multiply
    488,717.20x = 732,857.10 × 222,340.60
  4. Step 4: Simplify right side
    488,717.20x = 162,943,887,328.26
  5. Step 5: Solve for x
    x = 162,943,887,328.26/488,717.20
  6. Step 6: Final answer
    x = 333,411.40

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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.