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Finding the Fourth Proportional to 306,058.52, 422,360.36 and 170,088.16

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Solution

The fourth proportional to 306,058.52, 422,360.36 and 170,088.16 is: 234,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,058.52 : 422,360.36 = 170,088.16 : x
  2. Step 2: Convert to fraction form
    306,058.52/422,360.36 = 170,088.16/x
  3. Step 3: Cross multiply
    306,058.52x = 422,360.36 × 170,088.16
  4. Step 4: Simplify right side
    306,058.52x = 71,838,496,489.34
  5. Step 5: Solve for x
    x = 71,838,496,489.34/306,058.52
  6. Step 6: Final answer
    x = 234,721.44

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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.