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Finding the Fourth Proportional to 294,858.12, 406,904.22 and 160,722.12

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Solution

The fourth proportional to 294,858.12, 406,904.22 and 160,722.12 is: 221,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,858.12 : 406,904.22 = 160,722.12 : x
  2. Step 2: Convert to fraction form
    294,858.12/406,904.22 = 160,722.12/x
  3. Step 3: Cross multiply
    294,858.12x = 406,904.22 × 160,722.12
  4. Step 4: Simplify right side
    294,858.12x = 65,398,508,875.35
  5. Step 5: Solve for x
    x = 65,398,508,875.35/294,858.12
  6. Step 6: Final answer
    x = 221,796.53

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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.