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Finding the Fourth Proportional to 565,752.08, 780,736.80 and 324,112.88

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Solution

The fourth proportional to 565,752.08, 780,736.80 and 324,112.88 is: 447,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,752.08 : 780,736.80 = 324,112.88 : x
  2. Step 2: Convert to fraction form
    565,752.08/780,736.80 = 324,112.88/x
  3. Step 3: Cross multiply
    565,752.08x = 780,736.80 × 324,112.88
  4. Step 4: Simplify right side
    565,752.08x = 253,046,852,769.98
  5. Step 5: Solve for x
    x = 253,046,852,769.98/565,752.08
  6. Step 6: Final answer
    x = 447,275.16

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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.