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Finding the Fourth Proportional to 563,394.96, 777,559.50 and 321,622.92

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Solution

The fourth proportional to 563,394.96, 777,559.50 and 321,622.92 is: 443,882.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,394.96 : 777,559.50 = 321,622.92 : x
  2. Step 2: Convert to fraction form
    563,394.96/777,559.50 = 321,622.92/x
  3. Step 3: Cross multiply
    563,394.96x = 777,559.50 × 321,622.92
  4. Step 4: Simplify right side
    563,394.96x = 250,080,956,863.74
  5. Step 5: Solve for x
    x = 250,080,956,863.74/563,394.96
  6. Step 6: Final answer
    x = 443,882.13

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Double scale
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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.