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Finding the Fourth Proportional to 294,723, 406,717.80 and 160,587

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Solution

The fourth proportional to 294,723, 406,717.80 and 160,587 is: 221,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,723 : 406,717.80 = 160,587 : x
  2. Step 2: Convert to fraction form
    294,723/406,717.80 = 160,587/x
  3. Step 3: Cross multiply
    294,723x = 406,717.80 × 160,587
  4. Step 4: Simplify right side
    294,723x = 65,313,591,348.60
  5. Step 5: Solve for x
    x = 65,313,591,348.60/294,723
  6. Step 6: Final answer
    x = 221,610.09

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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.