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Finding the Fourth Proportional to 342,554.16, 513,874.98 and 132,252.24

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Solution

The fourth proportional to 342,554.16, 513,874.98 and 132,252.24 is: 198,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,554.16 : 513,874.98 = 132,252.24 : x
  2. Step 2: Convert to fraction form
    342,554.16/513,874.98 = 132,252.24/x
  3. Step 3: Cross multiply
    342,554.16x = 513,874.98 × 132,252.24
  4. Step 4: Simplify right side
    342,554.16x = 67,961,117,184.96
  5. Step 5: Solve for x
    x = 67,961,117,184.96/342,554.16
  6. Step 6: Final answer
    x = 198,395.25

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1.5x scale

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.