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Finding the Fourth Proportional to 503,204.80, 754,904.40 and 148,230.40

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Solution

The fourth proportional to 503,204.80, 754,904.40 and 148,230.40 is: 222,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,204.80 : 754,904.40 = 148,230.40 : x
  2. Step 2: Convert to fraction form
    503,204.80/754,904.40 = 148,230.40/x
  3. Step 3: Cross multiply
    503,204.80x = 754,904.40 × 148,230.40
  4. Step 4: Simplify right side
    503,204.80x = 111,899,781,173.76
  5. Step 5: Solve for x
    x = 111,899,781,173.76/503,204.80
  6. Step 6: Final answer
    x = 222,374.23

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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.