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Finding the Fourth Proportional to 343,491.22, 474,011.76 and 192,588.22

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Solution

The fourth proportional to 343,491.22, 474,011.76 and 192,588.22 is: 265,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,491.22 : 474,011.76 = 192,588.22 : x
  2. Step 2: Convert to fraction form
    343,491.22/474,011.76 = 192,588.22/x
  3. Step 3: Cross multiply
    343,491.22x = 474,011.76 × 192,588.22
  4. Step 4: Simplify right side
    343,491.22x = 91,289,081,117.47
  5. Step 5: Solve for x
    x = 91,289,081,117.47/343,491.22
  6. Step 6: Final answer
    x = 265,768.31

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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.