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Finding the Fourth Proportional to 472,763.71, 655,173.96 and 463,792.15

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Solution

The fourth proportional to 472,763.71, 655,173.96 and 463,792.15 is: 642,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,763.71 : 655,173.96 = 463,792.15 : x
  2. Step 2: Convert to fraction form
    472,763.71/655,173.96 = 463,792.15/x
  3. Step 3: Cross multiply
    472,763.71x = 655,173.96 × 463,792.15
  4. Step 4: Simplify right side
    472,763.71x = 303,864,539,532.41
  5. Step 5: Solve for x
    x = 303,864,539,532.41/472,763.71
  6. Step 6: Final answer
    x = 642,740.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.