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Finding the Fourth Proportional to 615,962.60, 923,783.52 and 260,793.80

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Solution

The fourth proportional to 615,962.60, 923,783.52 and 260,793.80 is: 391,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,962.60 : 923,783.52 = 260,793.80 : x
  2. Step 2: Convert to fraction form
    615,962.60/923,783.52 = 260,793.80/x
  3. Step 3: Cross multiply
    615,962.60x = 923,783.52 × 260,793.80
  4. Step 4: Simplify right side
    615,962.60x = 240,917,014,558.18
  5. Step 5: Solve for x
    x = 240,917,014,558.18/615,962.60
  6. Step 6: Final answer
    x = 391,122.80

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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.