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Finding the Fourth Proportional to 364,267.39, 502,689 and 213,364.39

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Solution

The fourth proportional to 364,267.39, 502,689 and 213,364.39 is: 294,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,267.39 : 502,689 = 213,364.39 : x
  2. Step 2: Convert to fraction form
    364,267.39/502,689 = 213,364.39/x
  3. Step 3: Cross multiply
    364,267.39x = 502,689 × 213,364.39
  4. Step 4: Simplify right side
    364,267.39x = 107,255,931,844.71
  5. Step 5: Solve for x
    x = 107,255,931,844.71/364,267.39
  6. Step 6: Final answer
    x = 294,442.86

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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.