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Finding the Fourth Proportional to 398,433.34, 549,773.58 and 237,284.20

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Solution

The fourth proportional to 398,433.34, 549,773.58 and 237,284.20 is: 327,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,433.34 : 549,773.58 = 237,284.20 : x
  2. Step 2: Convert to fraction form
    398,433.34/549,773.58 = 237,284.20/x
  3. Step 3: Cross multiply
    398,433.34x = 549,773.58 × 237,284.20
  4. Step 4: Simplify right side
    398,433.34x = 130,452,584,111.44
  5. Step 5: Solve for x
    x = 130,452,584,111.44/398,433.34
  6. Step 6: Final answer
    x = 327,413.83

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1.5x scale

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.