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Finding the Fourth Proportional to 615,219.48, 922,823.46 and 194,495.40

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Solution

The fourth proportional to 615,219.48, 922,823.46 and 194,495.40 is: 291,741.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,219.48 : 922,823.46 = 194,495.40 : x
  2. Step 2: Convert to fraction form
    615,219.48/922,823.46 = 194,495.40/x
  3. Step 3: Cross multiply
    615,219.48x = 922,823.46 × 194,495.40
  4. Step 4: Simplify right side
    615,219.48x = 179,484,917,982.08
  5. Step 5: Solve for x
    x = 179,484,917,982.08/615,219.48
  6. Step 6: Final answer
    x = 291,741.28

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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.