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Finding the Fourth Proportional to 454,289.63, 626,932.64 and 253,098.59

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Solution

The fourth proportional to 454,289.63, 626,932.64 and 253,098.59 is: 349,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,289.63 : 626,932.64 = 253,098.59 : x
  2. Step 2: Convert to fraction form
    454,289.63/626,932.64 = 253,098.59/x
  3. Step 3: Cross multiply
    454,289.63x = 626,932.64 × 253,098.59
  4. Step 4: Simplify right side
    454,289.63x = 158,675,764,707.06
  5. Step 5: Solve for x
    x = 158,675,764,707.06/454,289.63
  6. Step 6: Final answer
    x = 349,283.27

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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.