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Finding the Fourth Proportional to 326,461.32, 489,774.33 and 158,062.32

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Solution

The fourth proportional to 326,461.32, 489,774.33 and 158,062.32 is: 237,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,461.32 : 489,774.33 = 158,062.32 : x
  2. Step 2: Convert to fraction form
    326,461.32/489,774.33 = 158,062.32/x
  3. Step 3: Cross multiply
    326,461.32x = 489,774.33 × 158,062.32
  4. Step 4: Simplify right side
    326,461.32x = 77,414,866,876.25
  5. Step 5: Solve for x
    x = 77,414,866,876.25/326,461.32
  6. Step 6: Final answer
    x = 237,133.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.