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Finding the Fourth Proportional to 247,554.60, 371,331.90 and 163,573.80

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Solution

The fourth proportional to 247,554.60, 371,331.90 and 163,573.80 is: 245,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,554.60 : 371,331.90 = 163,573.80 : x
  2. Step 2: Convert to fraction form
    247,554.60/371,331.90 = 163,573.80/x
  3. Step 3: Cross multiply
    247,554.60x = 371,331.90 × 163,573.80
  4. Step 4: Simplify right side
    247,554.60x = 60,740,169,944.22
  5. Step 5: Solve for x
    x = 60,740,169,944.22/247,554.60
  6. Step 6: Final answer
    x = 245,360.70

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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.