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Finding the Fourth Proportional to 581,548.80, 872,320.32 and 155,083.68

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Solution

The fourth proportional to 581,548.80, 872,320.32 and 155,083.68 is: 232,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,548.80 : 872,320.32 = 155,083.68 : x
  2. Step 2: Convert to fraction form
    581,548.80/872,320.32 = 155,083.68/x
  3. Step 3: Cross multiply
    581,548.80x = 872,320.32 × 155,083.68
  4. Step 4: Simplify right side
    581,548.80x = 135,282,645,364.38
  5. Step 5: Solve for x
    x = 135,282,645,364.38/581,548.80
  6. Step 6: Final answer
    x = 232,624.75

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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.