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Finding the Fourth Proportional to 493,538.03, 740,601.98 and 453,384.71

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Solution

The fourth proportional to 493,538.03, 740,601.98 and 453,384.71 is: 680,348.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,538.03 : 740,601.98 = 453,384.71 : x
  2. Step 2: Convert to fraction form
    493,538.03/740,601.98 = 453,384.71/x
  3. Step 3: Cross multiply
    493,538.03x = 740,601.98 × 453,384.71
  4. Step 4: Simplify right side
    493,538.03x = 335,777,613,927.73
  5. Step 5: Solve for x
    x = 335,777,613,927.73/493,538.03
  6. Step 6: Final answer
    x = 680,348.00

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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.