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Finding the Fourth Proportional to 605,314.10, 907,625.55 and 249,907.70

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Solution

The fourth proportional to 605,314.10, 907,625.55 and 249,907.70 is: 374,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,314.10 : 907,625.55 = 249,907.70 : x
  2. Step 2: Convert to fraction form
    605,314.10/907,625.55 = 249,907.70/x
  3. Step 3: Cross multiply
    605,314.10x = 907,625.55 × 249,907.70
  4. Step 4: Simplify right side
    605,314.10x = 226,822,613,661.74
  5. Step 5: Solve for x
    x = 226,822,613,661.74/605,314.10
  6. Step 6: Final answer
    x = 374,718.87

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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.