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Finding the Fourth Proportional to 342,883.75, 473,184.46 and 197,686.66

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Solution

The fourth proportional to 342,883.75, 473,184.46 and 197,686.66 is: 272,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,883.75 : 473,184.46 = 197,686.66 : x
  2. Step 2: Convert to fraction form
    342,883.75/473,184.46 = 197,686.66/x
  3. Step 3: Cross multiply
    342,883.75x = 473,184.46 × 197,686.66
  4. Step 4: Simplify right side
    342,883.75x = 93,542,252,860.43
  5. Step 5: Solve for x
    x = 93,542,252,860.43/342,883.75
  6. Step 6: Final answer
    x = 272,810.40

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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.