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Finding the Fourth Proportional to 564,720.12, 779,678.46 and 350,089.56

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Solution

The fourth proportional to 564,720.12, 779,678.46 and 350,089.56 is: 483,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,720.12 : 779,678.46 = 350,089.56 : x
  2. Step 2: Convert to fraction form
    564,720.12/779,678.46 = 350,089.56/x
  3. Step 3: Cross multiply
    564,720.12x = 779,678.46 × 350,089.56
  4. Step 4: Simplify right side
    564,720.12x = 272,957,289,002.88
  5. Step 5: Solve for x
    x = 272,957,289,002.88/564,720.12
  6. Step 6: Final answer
    x = 483,349.68

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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.