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Finding the Fourth Proportional to 563,059.76, 844,589.63 and 142,335.63

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Solution

The fourth proportional to 563,059.76, 844,589.63 and 142,335.63 is: 213,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,059.76 : 844,589.63 = 142,335.63 : x
  2. Step 2: Convert to fraction form
    563,059.76/844,589.63 = 142,335.63/x
  3. Step 3: Cross multiply
    563,059.76x = 844,589.63 × 142,335.63
  4. Step 4: Simplify right side
    563,059.76x = 120,215,197,433.36
  5. Step 5: Solve for x
    x = 120,215,197,433.36/563,059.76
  6. Step 6: Final answer
    x = 213,503.45

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Double scale
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Similar ratio
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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.