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Finding the Fourth Proportional to 563,254.57, 777,261.58 and 321,527.53

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Solution

The fourth proportional to 563,254.57, 777,261.58 and 321,527.53 is: 443,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,254.57 : 777,261.58 = 321,527.53 : x
  2. Step 2: Convert to fraction form
    563,254.57/777,261.58 = 321,527.53/x
  3. Step 3: Cross multiply
    563,254.57x = 777,261.58 × 321,527.53
  4. Step 4: Simplify right side
    563,254.57x = 249,910,995,981.30
  5. Step 5: Solve for x
    x = 249,910,995,981.30/563,254.57
  6. Step 6: Final answer
    x = 443,691.02

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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.