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Finding the Fourth Proportional to 385,783.56, 532,295.28 and 232,846.92

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Solution

The fourth proportional to 385,783.56, 532,295.28 and 232,846.92 is: 321,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,783.56 : 532,295.28 = 232,846.92 : x
  2. Step 2: Convert to fraction form
    385,783.56/532,295.28 = 232,846.92/x
  3. Step 3: Cross multiply
    385,783.56x = 532,295.28 × 232,846.92
  4. Step 4: Simplify right side
    385,783.56x = 123,943,316,478.54
  5. Step 5: Solve for x
    x = 123,943,316,478.54/385,783.56
  6. Step 6: Final answer
    x = 321,276.82

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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.