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Finding the Fourth Proportional to 364,400.39, 502,850.88 and 211,426.73

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Solution

The fourth proportional to 364,400.39, 502,850.88 and 211,426.73 is: 291,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,400.39 : 502,850.88 = 211,426.73 : x
  2. Step 2: Convert to fraction form
    364,400.39/502,850.88 = 211,426.73/x
  3. Step 3: Cross multiply
    364,400.39x = 502,850.88 × 211,426.73
  4. Step 4: Simplify right side
    364,400.39x = 106,316,114,721.77
  5. Step 5: Solve for x
    x = 106,316,114,721.77/364,400.39
  6. Step 6: Final answer
    x = 291,756.32

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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.