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Finding the Fourth Proportional to 364,399.46, 502,849.58 and 211,425.80

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Solution

The fourth proportional to 364,399.46, 502,849.58 and 211,425.80 is: 291,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,399.46 : 502,849.58 = 211,425.80 : x
  2. Step 2: Convert to fraction form
    364,399.46/502,849.58 = 211,425.80/x
  3. Step 3: Cross multiply
    364,399.46x = 502,849.58 × 211,425.80
  4. Step 4: Simplify right side
    364,399.46x = 106,315,371,159.79
  5. Step 5: Solve for x
    x = 106,315,371,159.79/364,399.46
  6. Step 6: Final answer
    x = 291,755.02

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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.