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Finding the Fourth Proportional to 296,596.80, 444,290.40 and 183,931.20

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Solution

The fourth proportional to 296,596.80, 444,290.40 and 183,931.20 is: 275,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,596.80 : 444,290.40 = 183,931.20 : x
  2. Step 2: Convert to fraction form
    296,596.80/444,290.40 = 183,931.20/x
  3. Step 3: Cross multiply
    296,596.80x = 444,290.40 × 183,931.20
  4. Step 4: Simplify right side
    296,596.80x = 81,718,866,420.48
  5. Step 5: Solve for x
    x = 81,718,866,420.48/296,596.80
  6. Step 6: Final answer
    x = 275,521.74

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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.