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Finding the Fourth Proportional to 260,570.92, 390,332.22 and 197,498.92

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Solution

The fourth proportional to 260,570.92, 390,332.22 and 197,498.92 is: 295,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,570.92 : 390,332.22 = 197,498.92 : x
  2. Step 2: Convert to fraction form
    260,570.92/390,332.22 = 197,498.92/x
  3. Step 3: Cross multiply
    260,570.92x = 390,332.22 × 197,498.92
  4. Step 4: Simplify right side
    260,570.92x = 77,090,191,891.20
  5. Step 5: Solve for x
    x = 77,090,191,891.20/260,570.92
  6. Step 6: Final answer
    x = 295,851.09

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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.