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Finding the Fourth Proportional to 398,199.46, 549,516 and 237,060.08

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Solution

The fourth proportional to 398,199.46, 549,516 and 237,060.08 is: 327,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,199.46 : 549,516 = 237,060.08 : x
  2. Step 2: Convert to fraction form
    398,199.46/549,516 = 237,060.08/x
  3. Step 3: Cross multiply
    398,199.46x = 549,516 × 237,060.08
  4. Step 4: Simplify right side
    398,199.46x = 130,268,306,921.28
  5. Step 5: Solve for x
    x = 130,268,306,921.28/398,199.46
  6. Step 6: Final answer
    x = 327,143.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.