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Finding the Fourth Proportional to 615,997, 924,364.14 and 265,789

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Solution

The fourth proportional to 615,997, 924,364.14 and 265,789 is: 398,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,997 : 924,364.14 = 265,789 : x
  2. Step 2: Convert to fraction form
    615,997/924,364.14 = 265,789/x
  3. Step 3: Cross multiply
    615,997x = 924,364.14 × 265,789
  4. Step 4: Simplify right side
    615,997x = 245,685,820,406.46
  5. Step 5: Solve for x
    x = 245,685,820,406.46/615,997
  6. Step 6: Final answer
    x = 398,842.56

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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.