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Finding the Fourth Proportional to 569,039.28, 785,207.28 and 314,375.28

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Solution

The fourth proportional to 569,039.28, 785,207.28 and 314,375.28 is: 433,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,039.28 : 785,207.28 = 314,375.28 : x
  2. Step 2: Convert to fraction form
    569,039.28/785,207.28 = 314,375.28/x
  3. Step 3: Cross multiply
    569,039.28x = 785,207.28 × 314,375.28
  4. Step 4: Simplify right side
    569,039.28x = 246,849,758,508.04
  5. Step 5: Solve for x
    x = 246,849,758,508.04/569,039.28
  6. Step 6: Final answer
    x = 433,800.91

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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.