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Finding the Fourth Proportional to 373,281.60, 559,922.40 and 123,963.60

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Solution

The fourth proportional to 373,281.60, 559,922.40 and 123,963.60 is: 185,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,281.60 : 559,922.40 = 123,963.60 : x
  2. Step 2: Convert to fraction form
    373,281.60/559,922.40 = 123,963.60/x
  3. Step 3: Cross multiply
    373,281.60x = 559,922.40 × 123,963.60
  4. Step 4: Simplify right side
    373,281.60x = 69,409,996,424.64
  5. Step 5: Solve for x
    x = 69,409,996,424.64/373,281.60
  6. Step 6: Final answer
    x = 185,945.40

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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.