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Finding the Fourth Proportional to 617,930.10, 924,926.85 and 440,783.10

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Solution

The fourth proportional to 617,930.10, 924,926.85 and 440,783.10 is: 659,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,930.10 : 924,926.85 = 440,783.10 : x
  2. Step 2: Convert to fraction form
    617,930.10/924,926.85 = 440,783.10/x
  3. Step 3: Cross multiply
    617,930.10x = 924,926.85 × 440,783.10
  4. Step 4: Simplify right side
    617,930.10x = 407,692,124,216.24
  5. Step 5: Solve for x
    x = 407,692,124,216.24/617,930.10
  6. Step 6: Final answer
    x = 659,770.62

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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.