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Finding the Fourth Proportional to 343,102.61, 473,467.92 and 190,147.34

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Solution

The fourth proportional to 343,102.61, 473,467.92 and 190,147.34 is: 262,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,102.61 : 473,467.92 = 190,147.34 : x
  2. Step 2: Convert to fraction form
    343,102.61/473,467.92 = 190,147.34/x
  3. Step 3: Cross multiply
    343,102.61x = 473,467.92 × 190,147.34
  4. Step 4: Simplify right side
    343,102.61x = 90,028,663,195.99
  5. Step 5: Solve for x
    x = 90,028,663,195.99/343,102.61
  6. Step 6: Final answer
    x = 262,395.74

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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.