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Finding the Fourth Proportional to 963,810, 1,330,086.96 and 534,049.92

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Solution

The fourth proportional to 963,810, 1,330,086.96 and 534,049.92 is: 737,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,810 : 1,330,086.96 = 534,049.92 : x
  2. Step 2: Convert to fraction form
    963,810/1,330,086.96 = 534,049.92/x
  3. Step 3: Cross multiply
    963,810x = 1,330,086.96 × 534,049.92
  4. Step 4: Simplify right side
    963,810x = 710,332,834,581.04
  5. Step 5: Solve for x
    x = 710,332,834,581.04/963,810
  6. Step 6: Final answer
    x = 737,005.05

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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.