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Finding the Fourth Proportional to 230,070.40, 317,223.36 and 198,184.96

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Solution

The fourth proportional to 230,070.40, 317,223.36 and 198,184.96 is: 273,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,070.40 : 317,223.36 = 198,184.96 : x
  2. Step 2: Convert to fraction form
    230,070.40/317,223.36 = 198,184.96/x
  3. Step 3: Cross multiply
    230,070.40x = 317,223.36 × 198,184.96
  4. Step 4: Simplify right side
    230,070.40x = 62,868,898,912.67
  5. Step 5: Solve for x
    x = 62,868,898,912.67/230,070.40
  6. Step 6: Final answer
    x = 273,259.40

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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.