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Finding the Fourth Proportional to 548,111.80, 822,167.70 and 193,526.20

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Solution

The fourth proportional to 548,111.80, 822,167.70 and 193,526.20 is: 290,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,111.80 : 822,167.70 = 193,526.20 : x
  2. Step 2: Convert to fraction form
    548,111.80/822,167.70 = 193,526.20/x
  3. Step 3: Cross multiply
    548,111.80x = 822,167.70 × 193,526.20
  4. Step 4: Simplify right side
    548,111.80x = 159,110,990,743.74
  5. Step 5: Solve for x
    x = 159,110,990,743.74/548,111.80
  6. Step 6: Final answer
    x = 290,289.30

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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.