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Finding the Fourth Proportional to 294,283.80, 406,107.84 and 173,430.18

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Solution

The fourth proportional to 294,283.80, 406,107.84 and 173,430.18 is: 239,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,283.80 : 406,107.84 = 173,430.18 : x
  2. Step 2: Convert to fraction form
    294,283.80/406,107.84 = 173,430.18/x
  3. Step 3: Cross multiply
    294,283.80x = 406,107.84 × 173,430.18
  4. Step 4: Simplify right side
    294,283.80x = 70,431,355,790.61
  5. Step 5: Solve for x
    x = 70,431,355,790.61/294,283.80
  6. Step 6: Final answer
    x = 239,331.41

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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.