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Finding the Fourth Proportional to 499,511.76, 749,112.12 and 167,010

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Solution

The fourth proportional to 499,511.76, 749,112.12 and 167,010 is: 250,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,511.76 : 749,112.12 = 167,010 : x
  2. Step 2: Convert to fraction form
    499,511.76/749,112.12 = 167,010/x
  3. Step 3: Cross multiply
    499,511.76x = 749,112.12 × 167,010
  4. Step 4: Simplify right side
    499,511.76x = 125,109,215,161.20
  5. Step 5: Solve for x
    x = 125,109,215,161.20/499,511.76
  6. Step 6: Final answer
    x = 250,463.00

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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.