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Finding the Fourth Proportional to 508,329.68, 761,292.18 and 441,406.10

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Solution

The fourth proportional to 508,329.68, 761,292.18 and 441,406.10 is: 661,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,329.68 : 761,292.18 = 441,406.10 : x
  2. Step 2: Convert to fraction form
    508,329.68/761,292.18 = 441,406.10/x
  3. Step 3: Cross multiply
    508,329.68x = 761,292.18 × 441,406.10
  4. Step 4: Simplify right side
    508,329.68x = 336,039,012,134.30
  5. Step 5: Solve for x
    x = 336,039,012,134.30/508,329.68
  6. Step 6: Final answer
    x = 661,065.10

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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.