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Finding the Fourth Proportional to 538,612.80, 806,752.80 and 468,628.80

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Solution

The fourth proportional to 538,612.80, 806,752.80 and 468,628.80 is: 701,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,612.80 : 806,752.80 = 468,628.80 : x
  2. Step 2: Convert to fraction form
    538,612.80/806,752.80 = 468,628.80/x
  3. Step 3: Cross multiply
    538,612.80x = 806,752.80 × 468,628.80
  4. Step 4: Simplify right side
    538,612.80x = 378,067,596,560.64
  5. Step 5: Solve for x
    x = 378,067,596,560.64/538,612.80
  6. Step 6: Final answer
    x = 701,928.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.