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Finding the Fourth Proportional to 524,763.77, 787,114.26 and 308,743.65

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Solution

The fourth proportional to 524,763.77, 787,114.26 and 308,743.65 is: 463,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,763.77 : 787,114.26 = 308,743.65 : x
  2. Step 2: Convert to fraction form
    524,763.77/787,114.26 = 308,743.65/x
  3. Step 3: Cross multiply
    524,763.77x = 787,114.26 × 308,743.65
  4. Step 4: Simplify right side
    524,763.77x = 243,016,529,599.45
  5. Step 5: Solve for x
    x = 243,016,529,599.45/524,763.77
  6. Step 6: Final answer
    x = 463,097.01

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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.