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Finding the Fourth Proportional to 323,645.60, 485,450.93 and 99,006.06

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Solution

The fourth proportional to 323,645.60, 485,450.93 and 99,006.06 is: 148,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,645.60 : 485,450.93 = 99,006.06 : x
  2. Step 2: Convert to fraction form
    323,645.60/485,450.93 = 99,006.06/x
  3. Step 3: Cross multiply
    323,645.60x = 485,450.93 × 99,006.06
  4. Step 4: Simplify right side
    323,645.60x = 48,062,583,407.61
  5. Step 5: Solve for x
    x = 48,062,583,407.61/323,645.60
  6. Step 6: Final answer
    x = 148,503.75

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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.