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Finding the Fourth Proportional to 602,728.20, 903,763.80 and 181,949.40

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Solution

The fourth proportional to 602,728.20, 903,763.80 and 181,949.40 is: 272,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,728.20 : 903,763.80 = 181,949.40 : x
  2. Step 2: Convert to fraction form
    602,728.20/903,763.80 = 181,949.40/x
  3. Step 3: Cross multiply
    602,728.20x = 903,763.80 × 181,949.40
  4. Step 4: Simplify right side
    602,728.20x = 164,439,281,151.72
  5. Step 5: Solve for x
    x = 164,439,281,151.72/602,728.20
  6. Step 6: Final answer
    x = 272,824.93

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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.