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Finding the Fourth Proportional to 564,898.56, 779,598.18 and 310,252.38

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Solution

The fourth proportional to 564,898.56, 779,598.18 and 310,252.38 is: 428,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,898.56 : 779,598.18 = 310,252.38 : x
  2. Step 2: Convert to fraction form
    564,898.56/779,598.18 = 310,252.38/x
  3. Step 3: Cross multiply
    564,898.56x = 779,598.18 × 310,252.38
  4. Step 4: Simplify right side
    564,898.56x = 241,872,190,788.67
  5. Step 5: Solve for x
    x = 241,872,190,788.67/564,898.56
  6. Step 6: Final answer
    x = 428,169.25

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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.