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Finding the Fourth Proportional to 574,422.93, 859,234.41 and 403,632.68

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Solution

The fourth proportional to 574,422.93, 859,234.41 and 403,632.68 is: 603,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,422.93 : 859,234.41 = 403,632.68 : x
  2. Step 2: Convert to fraction form
    574,422.93/859,234.41 = 403,632.68/x
  3. Step 3: Cross multiply
    574,422.93x = 859,234.41 × 403,632.68
  4. Step 4: Simplify right side
    574,422.93x = 346,815,083,360.35
  5. Step 5: Solve for x
    x = 346,815,083,360.35/574,422.93
  6. Step 6: Final answer
    x = 603,762.60

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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.