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Finding the Fourth Proportional to 454,292.50, 626,936.61 and 253,101.46

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Solution

The fourth proportional to 454,292.50, 626,936.61 and 253,101.46 is: 349,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,292.50 : 626,936.61 = 253,101.46 : x
  2. Step 2: Convert to fraction form
    454,292.50/626,936.61 = 253,101.46/x
  3. Step 3: Cross multiply
    454,292.50x = 626,936.61 × 253,101.46
  4. Step 4: Simplify right side
    454,292.50x = 158,678,571,318.45
  5. Step 5: Solve for x
    x = 158,678,571,318.45/454,292.50
  6. Step 6: Final answer
    x = 349,287.24

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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.