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Finding the Fourth Proportional to 363,338.19, 501,480.32 and 212,483.79

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Solution

The fourth proportional to 363,338.19, 501,480.32 and 212,483.79 is: 293,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,338.19 : 501,480.32 = 212,483.79 : x
  2. Step 2: Convert to fraction form
    363,338.19/501,480.32 = 212,483.79/x
  3. Step 3: Cross multiply
    363,338.19x = 501,480.32 × 212,483.79
  4. Step 4: Simplify right side
    363,338.19x = 106,556,437,941.59
  5. Step 5: Solve for x
    x = 106,556,437,941.59/363,338.19
  6. Step 6: Final answer
    x = 293,270.68

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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.