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Finding the Fourth Proportional to 581,589.96, 872,426.41 and 155,123.37

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Solution

The fourth proportional to 581,589.96, 872,426.41 and 155,123.37 is: 232,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,589.96 : 872,426.41 = 155,123.37 : x
  2. Step 2: Convert to fraction form
    581,589.96/872,426.41 = 155,123.37/x
  3. Step 3: Cross multiply
    581,589.96x = 872,426.41 × 155,123.37
  4. Step 4: Simplify right side
    581,589.96x = 135,333,725,280.96
  5. Step 5: Solve for x
    x = 135,333,725,280.96/581,589.96
  6. Step 6: Final answer
    x = 232,696.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.