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Finding the Fourth Proportional to 363,195.72, 501,200.94 and 210,212.76

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Solution

The fourth proportional to 363,195.72, 501,200.94 and 210,212.76 is: 290,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,195.72 : 501,200.94 = 210,212.76 : x
  2. Step 2: Convert to fraction form
    363,195.72/501,200.94 = 210,212.76/x
  3. Step 3: Cross multiply
    363,195.72x = 501,200.94 × 210,212.76
  4. Step 4: Simplify right side
    363,195.72x = 105,358,832,911.99
  5. Step 5: Solve for x
    x = 105,358,832,911.99/363,195.72
  6. Step 6: Final answer
    x = 290,088.31

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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.