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Finding the Fourth Proportional to 502,345.23, 693,233.67 and 272,900.70

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Solution

The fourth proportional to 502,345.23, 693,233.67 and 272,900.70 is: 376,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,345.23 : 693,233.67 = 272,900.70 : x
  2. Step 2: Convert to fraction form
    502,345.23/693,233.67 = 272,900.70/x
  3. Step 3: Cross multiply
    502,345.23x = 693,233.67 × 272,900.70
  4. Step 4: Simplify right side
    502,345.23x = 189,183,953,806.57
  5. Step 5: Solve for x
    x = 189,183,953,806.57/502,345.23
  6. Step 6: Final answer
    x = 376,601.47

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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.