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Finding the Fourth Proportional to 325,812.10, 488,718.15 and 296,943.70

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Solution

The fourth proportional to 325,812.10, 488,718.15 and 296,943.70 is: 445,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,812.10 : 488,718.15 = 296,943.70 : x
  2. Step 2: Convert to fraction form
    325,812.10/488,718.15 = 296,943.70/x
  3. Step 3: Cross multiply
    325,812.10x = 488,718.15 × 296,943.70
  4. Step 4: Simplify right side
    325,812.10x = 145,121,775,718.16
  5. Step 5: Solve for x
    x = 145,121,775,718.16/325,812.10
  6. Step 6: Final answer
    x = 445,415.55

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1.5x scale

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.