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Finding the Fourth Proportional to 344,012.74, 474,743.95 and 191,065.10

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Solution

The fourth proportional to 344,012.74, 474,743.95 and 191,065.10 is: 263,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,012.74 : 474,743.95 = 191,065.10 : x
  2. Step 2: Convert to fraction form
    344,012.74/474,743.95 = 191,065.10/x
  3. Step 3: Cross multiply
    344,012.74x = 474,743.95 × 191,065.10
  4. Step 4: Simplify right side
    344,012.74x = 90,706,999,210.05
  5. Step 5: Solve for x
    x = 90,706,999,210.05/344,012.74
  6. Step 6: Final answer
    x = 263,673.37

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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.