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Finding the Fourth Proportional to 266,687.64, 367,869.06 and 176,045.40

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Solution

The fourth proportional to 266,687.64, 367,869.06 and 176,045.40 is: 242,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,687.64 : 367,869.06 = 176,045.40 : x
  2. Step 2: Convert to fraction form
    266,687.64/367,869.06 = 176,045.40/x
  3. Step 3: Cross multiply
    266,687.64x = 367,869.06 × 176,045.40
  4. Step 4: Simplify right side
    266,687.64x = 64,761,655,815.32
  5. Step 5: Solve for x
    x = 64,761,655,815.32/266,687.64
  6. Step 6: Final answer
    x = 242,837.11

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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.