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Finding the Fourth Proportional to 579,619.10, 867,679.05 and 579,619.10

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Solution

The fourth proportional to 579,619.10, 867,679.05 and 579,619.10 is: 867,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,619.10 : 867,679.05 = 579,619.10 : x
  2. Step 2: Convert to fraction form
    579,619.10/867,679.05 = 579,619.10/x
  3. Step 3: Cross multiply
    579,619.10x = 867,679.05 × 579,619.10
  4. Step 4: Simplify right side
    579,619.10x = 502,923,350,049.86
  5. Step 5: Solve for x
    x = 502,923,350,049.86/579,619.10
  6. Step 6: Final answer
    x = 867,679.05

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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.