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Finding the Fourth Proportional to 326,602.55, 489,903.86 and 101,982.23

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Solution

The fourth proportional to 326,602.55, 489,903.86 and 101,982.23 is: 152,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,602.55 : 489,903.86 = 101,982.23 : x
  2. Step 2: Convert to fraction form
    326,602.55/489,903.86 = 101,982.23/x
  3. Step 3: Cross multiply
    326,602.55x = 489,903.86 × 101,982.23
  4. Step 4: Simplify right side
    326,602.55x = 49,961,488,128.41
  5. Step 5: Solve for x
    x = 49,961,488,128.41/326,602.55
  6. Step 6: Final answer
    x = 152,973.36

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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.