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Finding the Fourth Proportional to 368,732.52, 508,888.98 and 225,587.76

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Solution

The fourth proportional to 368,732.52, 508,888.98 and 225,587.76 is: 311,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,732.52 : 508,888.98 = 225,587.76 : x
  2. Step 2: Convert to fraction form
    368,732.52/508,888.98 = 225,587.76/x
  3. Step 3: Cross multiply
    368,732.52x = 508,888.98 × 225,587.76
  4. Step 4: Simplify right side
    368,732.52x = 114,799,125,086.89
  5. Step 5: Solve for x
    x = 114,799,125,086.89/368,732.52
  6. Step 6: Final answer
    x = 311,334.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.