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Finding the Fourth Proportional to 480,866.38, 663,592.84 and 266,001.80

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Solution

The fourth proportional to 480,866.38, 663,592.84 and 266,001.80 is: 367,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,866.38 : 663,592.84 = 266,001.80 : x
  2. Step 2: Convert to fraction form
    480,866.38/663,592.84 = 266,001.80/x
  3. Step 3: Cross multiply
    480,866.38x = 663,592.84 × 266,001.80
  4. Step 4: Simplify right side
    480,866.38x = 176,516,885,924.14
  5. Step 5: Solve for x
    x = 176,516,885,924.14/480,866.38
  6. Step 6: Final answer
    x = 367,080.95

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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.