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Finding the Fourth Proportional to 564,568.61, 779,076.09 and 335,135.70

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Solution

The fourth proportional to 564,568.61, 779,076.09 and 335,135.70 is: 462,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,568.61 : 779,076.09 = 335,135.70 : x
  2. Step 2: Convert to fraction form
    564,568.61/779,076.09 = 335,135.70/x
  3. Step 3: Cross multiply
    564,568.61x = 779,076.09 × 335,135.70
  4. Step 4: Simplify right side
    564,568.61x = 261,096,210,775.41
  5. Step 5: Solve for x
    x = 261,096,210,775.41/564,568.61
  6. Step 6: Final answer
    x = 462,470.30

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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.