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Finding the Fourth Proportional to 369,600.80, 554,401.20 and 251,502.80

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Solution

The fourth proportional to 369,600.80, 554,401.20 and 251,502.80 is: 377,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,600.80 : 554,401.20 = 251,502.80 : x
  2. Step 2: Convert to fraction form
    369,600.80/554,401.20 = 251,502.80/x
  3. Step 3: Cross multiply
    369,600.80x = 554,401.20 × 251,502.80
  4. Step 4: Simplify right side
    369,600.80x = 139,433,454,123.36
  5. Step 5: Solve for x
    x = 139,433,454,123.36/369,600.80
  6. Step 6: Final answer
    x = 377,254.20

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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.