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Finding the Fourth Proportional to 670,241.38, 924,909.69 and 368,433.22

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Solution

The fourth proportional to 670,241.38, 924,909.69 and 368,433.22 is: 508,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,241.38 : 924,909.69 = 368,433.22 : x
  2. Step 2: Convert to fraction form
    670,241.38/924,909.69 = 368,433.22/x
  3. Step 3: Cross multiply
    670,241.38x = 924,909.69 × 368,433.22
  4. Step 4: Simplify right side
    670,241.38x = 340,767,455,295.90
  5. Step 5: Solve for x
    x = 340,767,455,295.90/670,241.38
  6. Step 6: Final answer
    x = 508,424.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.