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Finding the Fourth Proportional to 669,397, 923,774.34 and 367,597.48

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Solution

The fourth proportional to 669,397, 923,774.34 and 367,597.48 is: 507,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,397 : 923,774.34 = 367,597.48 : x
  2. Step 2: Convert to fraction form
    669,397/923,774.34 = 367,597.48/x
  3. Step 3: Cross multiply
    669,397x = 923,774.34 × 367,597.48
  4. Step 4: Simplify right side
    669,397x = 339,577,119,472.66
  5. Step 5: Solve for x
    x = 339,577,119,472.66/669,397
  6. Step 6: Final answer
    x = 507,288.08

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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.