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Finding the Fourth Proportional to 559,546.60, 838,617.92 and 239,322.64

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Solution

The fourth proportional to 559,546.60, 838,617.92 and 239,322.64 is: 358,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,546.60 : 838,617.92 = 239,322.64 : x
  2. Step 2: Convert to fraction form
    559,546.60/838,617.92 = 239,322.64/x
  3. Step 3: Cross multiply
    559,546.60x = 838,617.92 × 239,322.64
  4. Step 4: Simplify right side
    559,546.60x = 200,700,254,795.87
  5. Step 5: Solve for x
    x = 200,700,254,795.87/559,546.60
  6. Step 6: Final answer
    x = 358,683.72

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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.