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Finding the Fourth Proportional to 564,494.12, 779,648.41 and 371,763.38

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Solution

The fourth proportional to 564,494.12, 779,648.41 and 371,763.38 is: 513,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,494.12 : 779,648.41 = 371,763.38 : x
  2. Step 2: Convert to fraction form
    564,494.12/779,648.41 = 371,763.38/x
  3. Step 3: Cross multiply
    564,494.12x = 779,648.41 × 371,763.38
  4. Step 4: Simplify right side
    564,494.12x = 289,844,724,214.98
  5. Step 5: Solve for x
    x = 289,844,724,214.98/564,494.12
  6. Step 6: Final answer
    x = 513,459.25

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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.