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Finding the Fourth Proportional to 564,699.12, 779,649.48 and 350,068.56

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Solution

The fourth proportional to 564,699.12, 779,649.48 and 350,068.56 is: 483,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,699.12 : 779,649.48 = 350,068.56 : x
  2. Step 2: Convert to fraction form
    564,699.12/779,649.48 = 350,068.56/x
  3. Step 3: Cross multiply
    564,699.12x = 779,649.48 × 350,068.56
  4. Step 4: Simplify right side
    564,699.12x = 272,930,770,768.35
  5. Step 5: Solve for x
    x = 272,930,770,768.35/564,699.12
  6. Step 6: Final answer
    x = 483,320.69

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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.