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Finding the Fourth Proportional to 319,732.71, 441,231.16 and 176,492.76

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Solution

The fourth proportional to 319,732.71, 441,231.16 and 176,492.76 is: 243,560.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,732.71 : 441,231.16 = 176,492.76 : x
  2. Step 2: Convert to fraction form
    319,732.71/441,231.16 = 176,492.76/x
  3. Step 3: Cross multiply
    319,732.71x = 441,231.16 × 176,492.76
  4. Step 4: Simplify right side
    319,732.71x = 77,874,105,226.40
  5. Step 5: Solve for x
    x = 77,874,105,226.40/319,732.71
  6. Step 6: Final answer
    x = 243,560.02

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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.