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Finding the Fourth Proportional to 423,503.79, 584,436.38 and 232,529.55

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Solution

The fourth proportional to 423,503.79, 584,436.38 and 232,529.55 is: 320,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,503.79 : 584,436.38 = 232,529.55 : x
  2. Step 2: Convert to fraction form
    423,503.79/584,436.38 = 232,529.55/x
  3. Step 3: Cross multiply
    423,503.79x = 584,436.38 × 232,529.55
  4. Step 4: Simplify right side
    423,503.79x = 135,898,728,445.03
  5. Step 5: Solve for x
    x = 135,898,728,445.03/423,503.79
  6. Step 6: Final answer
    x = 320,891.41

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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.