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Finding the Fourth Proportional to 294,439.56, 406,326.66 and 160,303.56

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Solution

The fourth proportional to 294,439.56, 406,326.66 and 160,303.56 is: 221,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,439.56 : 406,326.66 = 160,303.56 : x
  2. Step 2: Convert to fraction form
    294,439.56/406,326.66 = 160,303.56/x
  3. Step 3: Cross multiply
    294,439.56x = 406,326.66 × 160,303.56
  4. Step 4: Simplify right side
    294,439.56x = 65,135,610,120.91
  5. Step 5: Solve for x
    x = 65,135,610,120.91/294,439.56
  6. Step 6: Final answer
    x = 221,218.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.