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Finding the Fourth Proportional to 343,802.27, 515,808.98 and 164,116.98

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Solution

The fourth proportional to 343,802.27, 515,808.98 and 164,116.98 is: 246,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,802.27 : 515,808.98 = 164,116.98 : x
  2. Step 2: Convert to fraction form
    343,802.27/515,808.98 = 164,116.98/x
  3. Step 3: Cross multiply
    343,802.27x = 515,808.98 × 164,116.98
  4. Step 4: Simplify right side
    343,802.27x = 84,653,011,233.90
  5. Step 5: Solve for x
    x = 84,653,011,233.90/343,802.27
  6. Step 6: Final answer
    x = 246,225.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.