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Finding the Fourth Proportional to 425,367.35, 586,612.41 and 310,463.97

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Solution

The fourth proportional to 425,367.35, 586,612.41 and 310,463.97 is: 428,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,367.35 : 586,612.41 = 310,463.97 : x
  2. Step 2: Convert to fraction form
    425,367.35/586,612.41 = 310,463.97/x
  3. Step 3: Cross multiply
    425,367.35x = 586,612.41 × 310,463.97
  4. Step 4: Simplify right side
    425,367.35x = 182,122,017,659.87
  5. Step 5: Solve for x
    x = 182,122,017,659.87/425,367.35
  6. Step 6: Final answer
    x = 428,152.32

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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.