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Finding the Fourth Proportional to 356,503.10, 534,009.45 and 167,125.10

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Solution

The fourth proportional to 356,503.10, 534,009.45 and 167,125.10 is: 250,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,503.10 : 534,009.45 = 167,125.10 : x
  2. Step 2: Convert to fraction form
    356,503.10/534,009.45 = 167,125.10/x
  3. Step 3: Cross multiply
    356,503.10x = 534,009.45 × 167,125.10
  4. Step 4: Simplify right side
    356,503.10x = 89,246,382,732.20
  5. Step 5: Solve for x
    x = 89,246,382,732.20/356,503.10
  6. Step 6: Final answer
    x = 250,338.31

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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.