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Finding the Fourth Proportional to 292,048.81, 403,209.81 and 223,934.94

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Solution

The fourth proportional to 292,048.81, 403,209.81 and 223,934.94 is: 309,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,048.81 : 403,209.81 = 223,934.94 : x
  2. Step 2: Convert to fraction form
    292,048.81/403,209.81 = 223,934.94/x
  3. Step 3: Cross multiply
    292,048.81x = 403,209.81 × 223,934.94
  4. Step 4: Simplify right side
    292,048.81x = 90,292,764,609.76
  5. Step 5: Solve for x
    x = 90,292,764,609.76/292,048.81
  6. Step 6: Final answer
    x = 309,170.12

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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.