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Finding the Fourth Proportional to 524,886.04, 787,346.70 and 169,903

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Solution

The fourth proportional to 524,886.04, 787,346.70 and 169,903 is: 254,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,886.04 : 787,346.70 = 169,903 : x
  2. Step 2: Convert to fraction form
    524,886.04/787,346.70 = 169,903/x
  3. Step 3: Cross multiply
    524,886.04x = 787,346.70 × 169,903
  4. Step 4: Simplify right side
    524,886.04x = 133,772,566,370.10
  5. Step 5: Solve for x
    x = 133,772,566,370.10/524,886.04
  6. Step 6: Final answer
    x = 254,860.21

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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.