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Finding the Fourth Proportional to 326,058.08, 489,087.84 and 89,404.16

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Solution

The fourth proportional to 326,058.08, 489,087.84 and 89,404.16 is: 134,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,058.08 : 489,087.84 = 89,404.16 : x
  2. Step 2: Convert to fraction form
    326,058.08/489,087.84 = 89,404.16/x
  3. Step 3: Cross multiply
    326,058.08x = 489,087.84 × 89,404.16
  4. Step 4: Simplify right side
    326,058.08x = 43,726,487,501.41
  5. Step 5: Solve for x
    x = 43,726,487,501.41/326,058.08
  6. Step 6: Final answer
    x = 134,106.44

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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.