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Finding the Fourth Proportional to 575,953.93, 863,872.57 and 155,272.33

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Solution

The fourth proportional to 575,953.93, 863,872.57 and 155,272.33 is: 232,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,953.93 : 863,872.57 = 155,272.33 : x
  2. Step 2: Convert to fraction form
    575,953.93/863,872.57 = 155,272.33/x
  3. Step 3: Cross multiply
    575,953.93x = 863,872.57 × 155,272.33
  4. Step 4: Simplify right side
    575,953.93x = 134,135,506,766.99
  5. Step 5: Solve for x
    x = 134,135,506,766.99/575,953.93
  6. Step 6: Final answer
    x = 232,892.77

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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.