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Finding the Fourth Proportional to 342,754.47, 473,006.03 and 197,479.98

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Solution

The fourth proportional to 342,754.47, 473,006.03 and 197,479.98 is: 272,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,754.47 : 473,006.03 = 197,479.98 : x
  2. Step 2: Convert to fraction form
    342,754.47/473,006.03 = 197,479.98/x
  3. Step 3: Cross multiply
    342,754.47x = 473,006.03 × 197,479.98
  4. Step 4: Simplify right side
    342,754.47x = 93,409,220,356.88
  5. Step 5: Solve for x
    x = 93,409,220,356.88/342,754.47
  6. Step 6: Final answer
    x = 272,525.17

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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.