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Finding the Fourth Proportional to 615,145.60, 922,948.80 and 241,436.80

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Solution

The fourth proportional to 615,145.60, 922,948.80 and 241,436.80 is: 362,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,145.60 : 922,948.80 = 241,436.80 : x
  2. Step 2: Convert to fraction form
    615,145.60/922,948.80 = 241,436.80/x
  3. Step 3: Cross multiply
    615,145.60x = 922,948.80 × 241,436.80
  4. Step 4: Simplify right side
    615,145.60x = 222,833,804,835.84
  5. Step 5: Solve for x
    x = 222,833,804,835.84/615,145.60
  6. Step 6: Final answer
    x = 362,245.63

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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.