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Finding the Fourth Proportional to 425,366.35, 586,611.03 and 310,462.97

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Solution

The fourth proportional to 425,366.35, 586,611.03 and 310,462.97 is: 428,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,366.35 : 586,611.03 = 310,462.97 : x
  2. Step 2: Convert to fraction form
    425,366.35/586,611.03 = 310,462.97/x
  3. Step 3: Cross multiply
    425,366.35x = 586,611.03 × 310,462.97
  4. Step 4: Simplify right side
    425,366.35x = 182,121,000,743.23
  5. Step 5: Solve for x
    x = 182,121,000,743.23/425,366.35
  6. Step 6: Final answer
    x = 428,150.93

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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.