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Finding the Fourth Proportional to 564,715.12, 779,671.56 and 350,084.56

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Solution

The fourth proportional to 564,715.12, 779,671.56 and 350,084.56 is: 483,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,715.12 : 779,671.56 = 350,084.56 : x
  2. Step 2: Convert to fraction form
    564,715.12/779,671.56 = 350,084.56/x
  3. Step 3: Cross multiply
    564,715.12x = 779,671.56 × 350,084.56
  4. Step 4: Simplify right side
    564,715.12x = 272,950,975,027.11
  5. Step 5: Solve for x
    x = 272,950,975,027.11/564,715.12
  6. Step 6: Final answer
    x = 483,342.78

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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.