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Finding the Fourth Proportional to 605,045.28, 907,574.32 and 249,814.56

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Solution

The fourth proportional to 605,045.28, 907,574.32 and 249,814.56 is: 374,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,045.28 : 907,574.32 = 249,814.56 : x
  2. Step 2: Convert to fraction form
    605,045.28/907,574.32 = 249,814.56/x
  3. Step 3: Cross multiply
    605,045.28x = 907,574.32 × 249,814.56
  4. Step 4: Simplify right side
    605,045.28x = 226,725,279,418.10
  5. Step 5: Solve for x
    x = 226,725,279,418.10/605,045.28
  6. Step 6: Final answer
    x = 374,724.48

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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.