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Finding the Fourth Proportional to 555,218.60, 833,022.30 and 239,901.80

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Solution

The fourth proportional to 555,218.60, 833,022.30 and 239,901.80 is: 359,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,218.60 : 833,022.30 = 239,901.80 : x
  2. Step 2: Convert to fraction form
    555,218.60/833,022.30 = 239,901.80/x
  3. Step 3: Cross multiply
    555,218.60x = 833,022.30 × 239,901.80
  4. Step 4: Simplify right side
    555,218.60x = 199,843,549,210.14
  5. Step 5: Solve for x
    x = 199,843,549,210.14/555,218.60
  6. Step 6: Final answer
    x = 359,936.70

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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.