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Finding the Fourth Proportional to 487,287.60, 730,981.54 and 183,937.28

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Solution

The fourth proportional to 487,287.60, 730,981.54 and 183,937.28 is: 275,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,287.60 : 730,981.54 = 183,937.28 : x
  2. Step 2: Convert to fraction form
    487,287.60/730,981.54 = 183,937.28/x
  3. Step 3: Cross multiply
    487,287.60x = 730,981.54 × 183,937.28
  4. Step 4: Simplify right side
    487,287.60x = 134,454,752,083.06
  5. Step 5: Solve for x
    x = 134,454,752,083.06/487,287.60
  6. Step 6: Final answer
    x = 275,924.84

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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.