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Finding the Fourth Proportional to 463,432.37, 639,483.81 and 259,454.93

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Solution

The fourth proportional to 463,432.37, 639,483.81 and 259,454.93 is: 358,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,432.37 : 639,483.81 = 259,454.93 : x
  2. Step 2: Convert to fraction form
    463,432.37/639,483.81 = 259,454.93/x
  3. Step 3: Cross multiply
    463,432.37x = 639,483.81 × 259,454.93
  4. Step 4: Simplify right side
    463,432.37x = 165,917,227,159.68
  5. Step 5: Solve for x
    x = 165,917,227,159.68/463,432.37
  6. Step 6: Final answer
    x = 358,018.21

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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.