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Finding the Fourth Proportional to 597,870.40, 896,610.48 and 198,403.88

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Solution

The fourth proportional to 597,870.40, 896,610.48 and 198,403.88 is: 297,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,870.40 : 896,610.48 = 198,403.88 : x
  2. Step 2: Convert to fraction form
    597,870.40/896,610.48 = 198,403.88/x
  3. Step 3: Cross multiply
    597,870.40x = 896,610.48 × 198,403.88
  4. Step 4: Simplify right side
    597,870.40x = 177,890,998,080.66
  5. Step 5: Solve for x
    x = 177,890,998,080.66/597,870.40
  6. Step 6: Final answer
    x = 297,541.07

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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.