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Finding the Fourth Proportional to 373,807.60, 515,854.35 and 204,041.72

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Solution

The fourth proportional to 373,807.60, 515,854.35 and 204,041.72 is: 281,577.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,807.60 : 515,854.35 = 204,041.72 : x
  2. Step 2: Convert to fraction form
    373,807.60/515,854.35 = 204,041.72/x
  3. Step 3: Cross multiply
    373,807.60x = 515,854.35 × 204,041.72
  4. Step 4: Simplify right side
    373,807.60x = 105,255,810,133.12
  5. Step 5: Solve for x
    x = 105,255,810,133.12/373,807.60
  6. Step 6: Final answer
    x = 281,577.50

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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.