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Finding the Fourth Proportional to 670,663.88, 925,507.21 and 364,733.64

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Solution

The fourth proportional to 670,663.88, 925,507.21 and 364,733.64 is: 503,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,663.88 : 925,507.21 = 364,733.64 : x
  2. Step 2: Convert to fraction form
    670,663.88/925,507.21 = 364,733.64/x
  3. Step 3: Cross multiply
    670,663.88x = 925,507.21 × 364,733.64
  4. Step 4: Simplify right side
    670,663.88x = 337,563,612,637.71
  5. Step 5: Solve for x
    x = 337,563,612,637.71/670,663.88
  6. Step 6: Final answer
    x = 503,327.56

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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.