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Finding the Fourth Proportional to 506,617.61, 760,795.74 and 449,819.87

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Solution

The fourth proportional to 506,617.61, 760,795.74 and 449,819.87 is: 675,501.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,617.61 : 760,795.74 = 449,819.87 : x
  2. Step 2: Convert to fraction form
    506,617.61/760,795.74 = 449,819.87/x
  3. Step 3: Cross multiply
    506,617.61x = 760,795.74 × 449,819.87
  4. Step 4: Simplify right side
    506,617.61x = 342,221,037,059.38
  5. Step 5: Solve for x
    x = 342,221,037,059.38/506,617.61
  6. Step 6: Final answer
    x = 675,501.67

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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.