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Finding the Fourth Proportional to 343,959, 474,707.19 and 207,993.93

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Solution

The fourth proportional to 343,959, 474,707.19 and 207,993.93 is: 287,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,959 : 474,707.19 = 207,993.93 : x
  2. Step 2: Convert to fraction form
    343,959/474,707.19 = 207,993.93/x
  3. Step 3: Cross multiply
    343,959x = 474,707.19 × 207,993.93
  4. Step 4: Simplify right side
    343,959x = 98,736,214,047.36
  5. Step 5: Solve for x
    x = 98,736,214,047.36/343,959
  6. Step 6: Final answer
    x = 287,058.09

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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.