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Finding the Fourth Proportional to 564,546.20, 779,044.74 and 335,113.16

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Solution

The fourth proportional to 564,546.20, 779,044.74 and 335,113.16 is: 462,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,546.20 : 779,044.74 = 335,113.16 : x
  2. Step 2: Convert to fraction form
    564,546.20/779,044.74 = 335,113.16/x
  3. Step 3: Cross multiply
    564,546.20x = 779,044.74 × 335,113.16
  4. Step 4: Simplify right side
    564,546.20x = 261,068,144,602.78
  5. Step 5: Solve for x
    x = 261,068,144,602.78/564,546.20
  6. Step 6: Final answer
    x = 462,438.94

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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.