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Finding the Fourth Proportional to 219,227.55, 302,296.93 and 190,299.31

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Solution

The fourth proportional to 219,227.55, 302,296.93 and 190,299.31 is: 262,407.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,227.55 : 302,296.93 = 190,299.31 : x
  2. Step 2: Convert to fraction form
    219,227.55/302,296.93 = 190,299.31/x
  3. Step 3: Cross multiply
    219,227.55x = 302,296.93 × 190,299.31
  4. Step 4: Simplify right side
    219,227.55x = 57,526,895,962.63
  5. Step 5: Solve for x
    x = 57,526,895,962.63/219,227.55
  6. Step 6: Final answer
    x = 262,407.24

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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.