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Finding the Fourth Proportional to 378,053.59, 567,091.32 and 141,351.07

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Solution

The fourth proportional to 378,053.59, 567,091.32 and 141,351.07 is: 212,030.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,053.59 : 567,091.32 = 141,351.07 : x
  2. Step 2: Convert to fraction form
    378,053.59/567,091.32 = 141,351.07/x
  3. Step 3: Cross multiply
    378,053.59x = 567,091.32 × 141,351.07
  4. Step 4: Simplify right side
    378,053.59x = 80,158,964,869.71
  5. Step 5: Solve for x
    x = 80,158,964,869.71/378,053.59
  6. Step 6: Final answer
    x = 212,030.69

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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.