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Finding the Fourth Proportional to 524,875.77, 787,438.60 and 169,889.76

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Solution

The fourth proportional to 524,875.77, 787,438.60 and 169,889.76 is: 254,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,875.77 : 787,438.60 = 169,889.76 : x
  2. Step 2: Convert to fraction form
    524,875.77/787,438.60 = 169,889.76/x
  3. Step 3: Cross multiply
    524,875.77x = 787,438.60 × 169,889.76
  4. Step 4: Simplify right side
    524,875.77x = 133,777,754,344.01
  5. Step 5: Solve for x
    x = 133,777,754,344.01/524,875.77
  6. Step 6: Final answer
    x = 254,875.08

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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.