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Finding the Fourth Proportional to 459,118.87, 688,802.22 and 159,616.04

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Solution

The fourth proportional to 459,118.87, 688,802.22 and 159,616.04 is: 239,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,118.87 : 688,802.22 = 159,616.04 : x
  2. Step 2: Convert to fraction form
    459,118.87/688,802.22 = 159,616.04/x
  3. Step 3: Cross multiply
    459,118.87x = 688,802.22 × 159,616.04
  4. Step 4: Simplify right side
    459,118.87x = 109,943,879,255.60
  5. Step 5: Solve for x
    x = 109,943,879,255.60/459,118.87
  6. Step 6: Final answer
    x = 239,467.13

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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.