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Finding the Fourth Proportional to 456,283.80, 629,685 and 252,340.92

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Solution

The fourth proportional to 456,283.80, 629,685 and 252,340.92 is: 348,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,283.80 : 629,685 = 252,340.92 : x
  2. Step 2: Convert to fraction form
    456,283.80/629,685 = 252,340.92/x
  3. Step 3: Cross multiply
    456,283.80x = 629,685 × 252,340.92
  4. Step 4: Simplify right side
    456,283.80x = 158,895,292,210.20
  5. Step 5: Solve for x
    x = 158,895,292,210.20/456,283.80
  6. Step 6: Final answer
    x = 348,237.86

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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.