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Finding the Fourth Proportional to 403,751.70, 605,627.55 and 373,338.90

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Solution

The fourth proportional to 403,751.70, 605,627.55 and 373,338.90 is: 560,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,751.70 : 605,627.55 = 373,338.90 : x
  2. Step 2: Convert to fraction form
    403,751.70/605,627.55 = 373,338.90/x
  3. Step 3: Cross multiply
    403,751.70x = 605,627.55 × 373,338.90
  4. Step 4: Simplify right side
    403,751.70x = 226,104,323,326.70
  5. Step 5: Solve for x
    x = 226,104,323,326.70/403,751.70
  6. Step 6: Final answer
    x = 560,008.35

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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.