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Finding the Fourth Proportional to 306,031.01, 422,317.22 and 170,062.49

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Solution

The fourth proportional to 306,031.01, 422,317.22 and 170,062.49 is: 234,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,031.01 : 422,317.22 = 170,062.49 : x
  2. Step 2: Convert to fraction form
    306,031.01/422,317.22 = 170,062.49/x
  3. Step 3: Cross multiply
    306,031.01x = 422,317.22 × 170,062.49
  4. Step 4: Simplify right side
    306,031.01x = 71,820,316,311.32
  5. Step 5: Solve for x
    x = 71,820,316,311.32/306,031.01
  6. Step 6: Final answer
    x = 234,683.13

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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.