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Finding the Fourth Proportional to 1,178,529, 1,767,793.50 and 292,065

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Solution

The fourth proportional to 1,178,529, 1,767,793.50 and 292,065 is: 438,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,529 : 1,767,793.50 = 292,065 : x
  2. Step 2: Convert to fraction form
    1,178,529/1,767,793.50 = 292,065/x
  3. Step 3: Cross multiply
    1,178,529x = 1,767,793.50 × 292,065
  4. Step 4: Simplify right side
    1,178,529x = 516,310,608,577.50
  5. Step 5: Solve for x
    x = 516,310,608,577.50/1,178,529
  6. Step 6: Final answer
    x = 438,097.50

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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.