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Finding the Fourth Proportional to 865,970.92, 1,195,019.24 and 484,033.24

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Solution

The fourth proportional to 865,970.92, 1,195,019.24 and 484,033.24 is: 667,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,970.92 : 1,195,019.24 = 484,033.24 : x
  2. Step 2: Convert to fraction form
    865,970.92/1,195,019.24 = 484,033.24/x
  3. Step 3: Cross multiply
    865,970.92x = 1,195,019.24 × 484,033.24
  4. Step 4: Simplify right side
    865,970.92x = 578,429,037,714.79
  5. Step 5: Solve for x
    x = 578,429,037,714.79/865,970.92
  6. Step 6: Final answer
    x = 667,954.34

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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.