Home / 369,010.24-553,690.20-219,545.80

Finding the Fourth Proportional to 369,010.24, 553,690.20 and 219,545.80

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Solution

The fourth proportional to 369,010.24, 553,690.20 and 219,545.80 is: 329,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,010.24 : 553,690.20 = 219,545.80 : x
  2. Step 2: Convert to fraction form
    369,010.24/553,690.20 = 219,545.80/x
  3. Step 3: Cross multiply
    369,010.24x = 553,690.20 × 219,545.80
  4. Step 4: Simplify right side
    369,010.24x = 121,560,357,911.16
  5. Step 5: Solve for x
    x = 121,560,357,911.16/369,010.24
  6. Step 6: Final answer
    x = 329,422.72

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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.