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Finding the Fourth Proportional to 514,936.76, 772,215.53 and 177,890.90

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Solution

The fourth proportional to 514,936.76, 772,215.53 and 177,890.90 is: 266,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,936.76 : 772,215.53 = 177,890.90 : x
  2. Step 2: Convert to fraction form
    514,936.76/772,215.53 = 177,890.90/x
  3. Step 3: Cross multiply
    514,936.76x = 772,215.53 × 177,890.90
  4. Step 4: Simplify right side
    514,936.76x = 137,370,110,875.15
  5. Step 5: Solve for x
    x = 137,370,110,875.15/514,936.76
  6. Step 6: Final answer
    x = 266,770.84

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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.