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Finding the Fourth Proportional to 441,005.21, 608,513.42 and 259,753.23

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Solution

The fourth proportional to 441,005.21, 608,513.42 and 259,753.23 is: 358,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,005.21 : 608,513.42 = 259,753.23 : x
  2. Step 2: Convert to fraction form
    441,005.21/608,513.42 = 259,753.23/x
  3. Step 3: Cross multiply
    441,005.21x = 608,513.42 × 259,753.23
  4. Step 4: Simplify right side
    441,005.21x = 158,063,326,262.17
  5. Step 5: Solve for x
    x = 158,063,326,262.17/441,005.21
  6. Step 6: Final answer
    x = 358,416.01

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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.