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Finding the Fourth Proportional to 586,729.20, 880,007.40 and 166,047.60

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Solution

The fourth proportional to 586,729.20, 880,007.40 and 166,047.60 is: 249,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,729.20 : 880,007.40 = 166,047.60 : x
  2. Step 2: Convert to fraction form
    586,729.20/880,007.40 = 166,047.60/x
  3. Step 3: Cross multiply
    586,729.20x = 880,007.40 × 166,047.60
  4. Step 4: Simplify right side
    586,729.20x = 146,123,116,752.24
  5. Step 5: Solve for x
    x = 146,123,116,752.24/586,729.20
  6. Step 6: Final answer
    x = 249,046.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.