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Finding the Fourth Proportional to 303,599.34, 418,919.85 and 176,252.76

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Solution

The fourth proportional to 303,599.34, 418,919.85 and 176,252.76 is: 243,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,599.34 : 418,919.85 = 176,252.76 : x
  2. Step 2: Convert to fraction form
    303,599.34/418,919.85 = 176,252.76/x
  3. Step 3: Cross multiply
    303,599.34x = 418,919.85 × 176,252.76
  4. Step 4: Simplify right side
    303,599.34x = 73,835,779,781.29
  5. Step 5: Solve for x
    x = 73,835,779,781.29/303,599.34
  6. Step 6: Final answer
    x = 243,201.38

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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.