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Finding the Fourth Proportional to 564,494.37, 779,648.76 and 371,763.62

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Solution

The fourth proportional to 564,494.37, 779,648.76 and 371,763.62 is: 513,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,494.37 : 779,648.76 = 371,763.62 : x
  2. Step 2: Convert to fraction form
    564,494.37/779,648.76 = 371,763.62/x
  3. Step 3: Cross multiply
    564,494.37x = 779,648.76 × 371,763.62
  4. Step 4: Simplify right side
    564,494.37x = 289,845,047,295.23
  5. Step 5: Solve for x
    x = 289,845,047,295.23/564,494.37
  6. Step 6: Final answer
    x = 513,459.59

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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.