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Finding the Fourth Proportional to 564,569.73, 779,086.04 and 319,549.23

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Solution

The fourth proportional to 564,569.73, 779,086.04 and 319,549.23 is: 440,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,569.73 : 779,086.04 = 319,549.23 : x
  2. Step 2: Convert to fraction form
    564,569.73/779,086.04 = 319,549.23/x
  3. Step 3: Cross multiply
    564,569.73x = 779,086.04 × 319,549.23
  4. Step 4: Simplify right side
    564,569.73x = 248,956,340,290.32
  5. Step 5: Solve for x
    x = 248,956,340,290.32/564,569.73
  6. Step 6: Final answer
    x = 440,966.51

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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.