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Finding the Fourth Proportional to 364,338.81, 502,706.66 and 211,402.71

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Solution

The fourth proportional to 364,338.81, 502,706.66 and 211,402.71 is: 291,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,338.81 : 502,706.66 = 211,402.71 : x
  2. Step 2: Convert to fraction form
    364,338.81/502,706.66 = 211,402.71/x
  3. Step 3: Cross multiply
    364,338.81x = 502,706.66 × 211,402.71
  4. Step 4: Simplify right side
    364,338.81x = 106,273,549,202.04
  5. Step 5: Solve for x
    x = 106,273,549,202.04/364,338.81
  6. Step 6: Final answer
    x = 291,688.80

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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.