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Finding the Fourth Proportional to 615,518.60, 923,277.90 and 194,827.40

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Solution

The fourth proportional to 615,518.60, 923,277.90 and 194,827.40 is: 292,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,518.60 : 923,277.90 = 194,827.40 : x
  2. Step 2: Convert to fraction form
    615,518.60/923,277.90 = 194,827.40/x
  3. Step 3: Cross multiply
    615,518.60x = 923,277.90 × 194,827.40
  4. Step 4: Simplify right side
    615,518.60x = 179,879,832,734.46
  5. Step 5: Solve for x
    x = 179,879,832,734.46/615,518.60
  6. Step 6: Final answer
    x = 292,241.10

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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.