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Finding the Fourth Proportional to 564,737.26, 779,349.99 and 310,089.46

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Solution

The fourth proportional to 564,737.26, 779,349.99 and 310,089.46 is: 427,930.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,737.26 : 779,349.99 = 310,089.46 : x
  2. Step 2: Convert to fraction form
    564,737.26/779,349.99 = 310,089.46/x
  3. Step 3: Cross multiply
    564,737.26x = 779,349.99 × 310,089.46
  4. Step 4: Simplify right side
    564,737.26x = 241,668,217,550.11
  5. Step 5: Solve for x
    x = 241,668,217,550.11/564,737.26
  6. Step 6: Final answer
    x = 427,930.36

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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.