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Finding the Fourth Proportional to 454,043.19, 626,524.74 and 260,440.87

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Solution

The fourth proportional to 454,043.19, 626,524.74 and 260,440.87 is: 359,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,043.19 : 626,524.74 = 260,440.87 : x
  2. Step 2: Convert to fraction form
    454,043.19/626,524.74 = 260,440.87/x
  3. Step 3: Cross multiply
    454,043.19x = 626,524.74 × 260,440.87
  4. Step 4: Simplify right side
    454,043.19x = 163,172,647,059.92
  5. Step 5: Solve for x
    x = 163,172,647,059.92/454,043.19
  6. Step 6: Final answer
    x = 359,376.93

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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.