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Finding the Fourth Proportional to 364,550.70, 502,877.79 and 213,618.54

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Solution

The fourth proportional to 364,550.70, 502,877.79 and 213,618.54 is: 294,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,550.70 : 502,877.79 = 213,618.54 : x
  2. Step 2: Convert to fraction form
    364,550.70/502,877.79 = 213,618.54/x
  3. Step 3: Cross multiply
    364,550.70x = 502,877.79 × 213,618.54
  4. Step 4: Simplify right side
    364,550.70x = 107,424,019,298.23
  5. Step 5: Solve for x
    x = 107,424,019,298.23/364,550.70
  6. Step 6: Final answer
    x = 294,675.11

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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.