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Finding the Fourth Proportional to 614,954.48, 923,742.86 and 579,000.20

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Solution

The fourth proportional to 614,954.48, 923,742.86 and 579,000.20 is: 869,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,954.48 : 923,742.86 = 579,000.20 : x
  2. Step 2: Convert to fraction form
    614,954.48/923,742.86 = 579,000.20/x
  3. Step 3: Cross multiply
    614,954.48x = 923,742.86 × 579,000.20
  4. Step 4: Simplify right side
    614,954.48x = 534,847,300,688.57
  5. Step 5: Solve for x
    x = 534,847,300,688.57/614,954.48
  6. Step 6: Final answer
    x = 869,734.78

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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.