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Finding the Fourth Proportional to 304,169.34, 456,215.12 and 126,643.26

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Solution

The fourth proportional to 304,169.34, 456,215.12 and 126,643.26 is: 189,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,169.34 : 456,215.12 = 126,643.26 : x
  2. Step 2: Convert to fraction form
    304,169.34/456,215.12 = 126,643.26/x
  3. Step 3: Cross multiply
    304,169.34x = 456,215.12 × 126,643.26
  4. Step 4: Simplify right side
    304,169.34x = 57,776,570,058.09
  5. Step 5: Solve for x
    x = 57,776,570,058.09/304,169.34
  6. Step 6: Final answer
    x = 189,948.70

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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.