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Finding the Fourth Proportional to 304,031.98, 419,557.95 and 168,071.66

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Solution

The fourth proportional to 304,031.98, 419,557.95 and 168,071.66 is: 231,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,031.98 : 419,557.95 = 168,071.66 : x
  2. Step 2: Convert to fraction form
    304,031.98/419,557.95 = 168,071.66/x
  3. Step 3: Cross multiply
    304,031.98x = 419,557.95 × 168,071.66
  4. Step 4: Simplify right side
    304,031.98x = 70,515,799,024.91
  5. Step 5: Solve for x
    x = 70,515,799,024.91/304,031.98
  6. Step 6: Final answer
    x = 231,935.47

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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.