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Finding the Fourth Proportional to 207,259.60, 310,428.60 and 179,611.60

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Solution

The fourth proportional to 207,259.60, 310,428.60 and 179,611.60 is: 269,018.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,259.60 : 310,428.60 = 179,611.60 : x
  2. Step 2: Convert to fraction form
    207,259.60/310,428.60 = 179,611.60/x
  3. Step 3: Cross multiply
    207,259.60x = 310,428.60 × 179,611.60
  4. Step 4: Simplify right side
    207,259.60x = 55,756,577,531.76
  5. Step 5: Solve for x
    x = 55,756,577,531.76/207,259.60
  6. Step 6: Final answer
    x = 269,018.07

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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.