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Finding the Fourth Proportional to 496,715.16, 745,217.91 and 159,748.26

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Solution

The fourth proportional to 496,715.16, 745,217.91 and 159,748.26 is: 239,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,715.16 : 745,217.91 = 159,748.26 : x
  2. Step 2: Convert to fraction form
    496,715.16/745,217.91 = 159,748.26/x
  3. Step 3: Cross multiply
    496,715.16x = 745,217.91 × 159,748.26
  4. Step 4: Simplify right side
    496,715.16x = 119,047,264,443.34
  5. Step 5: Solve for x
    x = 119,047,264,443.34/496,715.16
  6. Step 6: Final answer
    x = 239,669.08

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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.