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Finding the Fourth Proportional to 294,574.70, 406,559.25 and 173,729.27

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Solution

The fourth proportional to 294,574.70, 406,559.25 and 173,729.27 is: 239,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,574.70 : 406,559.25 = 173,729.27 : x
  2. Step 2: Convert to fraction form
    294,574.70/406,559.25 = 173,729.27/x
  3. Step 3: Cross multiply
    294,574.70x = 406,559.25 × 173,729.27
  4. Step 4: Simplify right side
    294,574.70x = 70,631,239,681.45
  5. Step 5: Solve for x
    x = 70,631,239,681.45/294,574.70
  6. Step 6: Final answer
    x = 239,773.62

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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.