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Finding the Fourth Proportional to 360,252.48, 540,377.88 and 338,330.52

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Solution

The fourth proportional to 360,252.48, 540,377.88 and 338,330.52 is: 507,494.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,252.48 : 540,377.88 = 338,330.52 : x
  2. Step 2: Convert to fraction form
    360,252.48/540,377.88 = 338,330.52/x
  3. Step 3: Cross multiply
    360,252.48x = 540,377.88 × 338,330.52
  4. Step 4: Simplify right side
    360,252.48x = 182,826,329,136.90
  5. Step 5: Solve for x
    x = 182,826,329,136.90/360,252.48
  6. Step 6: Final answer
    x = 507,494.99

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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.