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Finding the Fourth Proportional to 406,794.48, 561,438.52 and 259,682.89

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Solution

The fourth proportional to 406,794.48, 561,438.52 and 259,682.89 is: 358,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,794.48 : 561,438.52 = 259,682.89 : x
  2. Step 2: Convert to fraction form
    406,794.48/561,438.52 = 259,682.89/x
  3. Step 3: Cross multiply
    406,794.48x = 561,438.52 × 259,682.89
  4. Step 4: Simplify right side
    406,794.48x = 145,795,977,430.92
  5. Step 5: Solve for x
    x = 145,795,977,430.92/406,794.48
  6. Step 6: Final answer
    x = 358,402.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.