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Finding the Fourth Proportional to 563,691.54, 845,527.56 and 189,714.54

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Solution

The fourth proportional to 563,691.54, 845,527.56 and 189,714.54 is: 284,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,691.54 : 845,527.56 = 189,714.54 : x
  2. Step 2: Convert to fraction form
    563,691.54/845,527.56 = 189,714.54/x
  3. Step 3: Cross multiply
    563,691.54x = 845,527.56 × 189,714.54
  4. Step 4: Simplify right side
    563,691.54x = 160,408,872,102.72
  5. Step 5: Solve for x
    x = 160,408,872,102.72/563,691.54
  6. Step 6: Final answer
    x = 284,568.53

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Double scale
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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.