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Finding the Fourth Proportional to 454,046.70, 626,529.56 and 260,444.38

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Solution

The fourth proportional to 454,046.70, 626,529.56 and 260,444.38 is: 359,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,046.70 : 626,529.56 = 260,444.38 : x
  2. Step 2: Convert to fraction form
    454,046.70/626,529.56 = 260,444.38/x
  3. Step 3: Cross multiply
    454,046.70x = 626,529.56 × 260,444.38
  4. Step 4: Simplify right side
    454,046.70x = 163,176,102,805.87
  5. Step 5: Solve for x
    x = 163,176,102,805.87/454,046.70
  6. Step 6: Final answer
    x = 359,381.76

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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.