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Finding the Fourth Proportional to 669,606.75, 924,119.28 and 367,859.07

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Solution

The fourth proportional to 669,606.75, 924,119.28 and 367,859.07 is: 507,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,606.75 : 924,119.28 = 367,859.07 : x
  2. Step 2: Convert to fraction form
    669,606.75/924,119.28 = 367,859.07/x
  3. Step 3: Cross multiply
    669,606.75x = 924,119.28 × 367,859.07
  4. Step 4: Simplify right side
    669,606.75x = 339,945,658,909.87
  5. Step 5: Solve for x
    x = 339,945,658,909.87/669,606.75
  6. Step 6: Final answer
    x = 507,679.56

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1.5x scale

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.