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Finding the Fourth Proportional to 575,754.76, 863,424.78 and 243,356.68

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Solution

The fourth proportional to 575,754.76, 863,424.78 and 243,356.68 is: 364,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,754.76 : 863,424.78 = 243,356.68 : x
  2. Step 2: Convert to fraction form
    575,754.76/863,424.78 = 243,356.68/x
  3. Step 3: Cross multiply
    575,754.76x = 863,424.78 × 243,356.68
  4. Step 4: Simplify right side
    575,754.76x = 210,120,187,890.53
  5. Step 5: Solve for x
    x = 210,120,187,890.53/575,754.76
  6. Step 6: Final answer
    x = 364,947.37

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1.5x scale

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.