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Finding the Fourth Proportional to 563,170.52, 777,194.76 and 308,521.64

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Solution

The fourth proportional to 563,170.52, 777,194.76 and 308,521.64 is: 425,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,170.52 : 777,194.76 = 308,521.64 : x
  2. Step 2: Convert to fraction form
    563,170.52/777,194.76 = 308,521.64/x
  3. Step 3: Cross multiply
    563,170.52x = 777,194.76 × 308,521.64
  4. Step 4: Simplify right side
    563,170.52x = 239,781,401,954.61
  5. Step 5: Solve for x
    x = 239,781,401,954.61/563,170.52
  6. Step 6: Final answer
    x = 425,770.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.