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Finding the Fourth Proportional to 615,268.80, 922,903.20 and 194,673.60

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Solution

The fourth proportional to 615,268.80, 922,903.20 and 194,673.60 is: 292,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,268.80 : 922,903.20 = 194,673.60 : x
  2. Step 2: Convert to fraction form
    615,268.80/922,903.20 = 194,673.60/x
  3. Step 3: Cross multiply
    615,268.80x = 922,903.20 × 194,673.60
  4. Step 4: Simplify right side
    615,268.80x = 179,664,888,395.52
  5. Step 5: Solve for x
    x = 179,664,888,395.52/615,268.80
  6. Step 6: Final answer
    x = 292,010.40

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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.