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Finding the Fourth Proportional to 463,293.66, 639,345.51 and 259,344.98

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Solution

The fourth proportional to 463,293.66, 639,345.51 and 259,344.98 is: 357,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,293.66 : 639,345.51 = 259,344.98 : x
  2. Step 2: Convert to fraction form
    463,293.66/639,345.51 = 259,344.98/x
  3. Step 3: Cross multiply
    463,293.66x = 639,345.51 × 259,344.98
  4. Step 4: Simplify right side
    463,293.66x = 165,811,047,704.86
  5. Step 5: Solve for x
    x = 165,811,047,704.86/463,293.66
  6. Step 6: Final answer
    x = 357,896.21

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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.