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Finding the Fourth Proportional to 615,193.80, 922,790.70 and 591,574.20

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Solution

The fourth proportional to 615,193.80, 922,790.70 and 591,574.20 is: 887,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,193.80 : 922,790.70 = 591,574.20 : x
  2. Step 2: Convert to fraction form
    615,193.80/922,790.70 = 591,574.20/x
  3. Step 3: Cross multiply
    615,193.80x = 922,790.70 × 591,574.20
  4. Step 4: Simplify right side
    615,193.80x = 545,899,170,119.94
  5. Step 5: Solve for x
    x = 545,899,170,119.94/615,193.80
  6. Step 6: Final answer
    x = 887,361.30

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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.