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Finding the Fourth Proportional to 423,575.16, 584,546.13 and 239,800.02

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Solution

The fourth proportional to 423,575.16, 584,546.13 and 239,800.02 is: 330,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,575.16 : 584,546.13 = 239,800.02 : x
  2. Step 2: Convert to fraction form
    423,575.16/584,546.13 = 239,800.02/x
  3. Step 3: Cross multiply
    423,575.16x = 584,546.13 × 239,800.02
  4. Step 4: Simplify right side
    423,575.16x = 140,174,173,664.92
  5. Step 5: Solve for x
    x = 140,174,173,664.92/423,575.16
  6. Step 6: Final answer
    x = 330,931.05

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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.