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Finding the Fourth Proportional to 302,653.74, 453,979.17 and 92,290.98

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Solution

The fourth proportional to 302,653.74, 453,979.17 and 92,290.98 is: 138,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,653.74 : 453,979.17 = 92,290.98 : x
  2. Step 2: Convert to fraction form
    302,653.74/453,979.17 = 92,290.98/x
  3. Step 3: Cross multiply
    302,653.74x = 453,979.17 × 92,290.98
  4. Step 4: Simplify right side
    302,653.74x = 41,898,182,498.89
  5. Step 5: Solve for x
    x = 41,898,182,498.89/302,653.74
  6. Step 6: Final answer
    x = 138,436.03

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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.