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Finding the Fourth Proportional to 229,407.60, 344,111.40 and 225,908.40

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Solution

The fourth proportional to 229,407.60, 344,111.40 and 225,908.40 is: 338,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,407.60 : 344,111.40 = 225,908.40 : x
  2. Step 2: Convert to fraction form
    229,407.60/344,111.40 = 225,908.40/x
  3. Step 3: Cross multiply
    229,407.60x = 344,111.40 × 225,908.40
  4. Step 4: Simplify right side
    229,407.60x = 77,737,655,795.76
  5. Step 5: Solve for x
    x = 77,737,655,795.76/229,407.60
  6. Step 6: Final answer
    x = 338,862.60

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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.