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Finding the Fourth Proportional to 617,207.12, 924,969.90 and 377,405

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Solution

The fourth proportional to 617,207.12, 924,969.90 and 377,405 is: 565,593.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,207.12 : 924,969.90 = 377,405 : x
  2. Step 2: Convert to fraction form
    617,207.12/924,969.90 = 377,405/x
  3. Step 3: Cross multiply
    617,207.12x = 924,969.90 × 377,405
  4. Step 4: Simplify right side
    617,207.12x = 349,088,265,109.50
  5. Step 5: Solve for x
    x = 349,088,265,109.50/617,207.12
  6. Step 6: Final answer
    x = 565,593.39

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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.