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Finding the Fourth Proportional to 378,007.08, 567,127.28 and 141,373.68

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Solution

The fourth proportional to 378,007.08, 567,127.28 and 141,373.68 is: 212,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,007.08 : 567,127.28 = 141,373.68 : x
  2. Step 2: Convert to fraction form
    378,007.08/567,127.28 = 141,373.68/x
  3. Step 3: Cross multiply
    378,007.08x = 567,127.28 × 141,373.68
  4. Step 4: Simplify right side
    378,007.08x = 80,176,870,601.99
  5. Step 5: Solve for x
    x = 80,176,870,601.99/378,007.08
  6. Step 6: Final answer
    x = 212,104.15

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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.