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Finding the Fourth Proportional to 507,491, 761,248.83 and 170,536.52

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Solution

The fourth proportional to 507,491, 761,248.83 and 170,536.52 is: 255,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,491 : 761,248.83 = 170,536.52 : x
  2. Step 2: Convert to fraction form
    507,491/761,248.83 = 170,536.52/x
  3. Step 3: Cross multiply
    507,491x = 761,248.83 × 170,536.52
  4. Step 4: Simplify right side
    507,491x = 129,820,726,322.27
  5. Step 5: Solve for x
    x = 129,820,726,322.27/507,491
  6. Step 6: Final answer
    x = 255,808.92

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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.