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Finding the Fourth Proportional to 463,863.60, 695,795.40 and 148,330.80

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Solution

The fourth proportional to 463,863.60, 695,795.40 and 148,330.80 is: 222,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,863.60 : 695,795.40 = 148,330.80 : x
  2. Step 2: Convert to fraction form
    463,863.60/695,795.40 = 148,330.80/x
  3. Step 3: Cross multiply
    463,863.60x = 695,795.40 × 148,330.80
  4. Step 4: Simplify right side
    463,863.60x = 103,207,888,318.32
  5. Step 5: Solve for x
    x = 103,207,888,318.32/463,863.60
  6. Step 6: Final answer
    x = 222,496.20

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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.