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Finding the Fourth Proportional to 562,114.13, 775,792.59 and 317,149.16

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Solution

The fourth proportional to 562,114.13, 775,792.59 and 317,149.16 is: 437,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,114.13 : 775,792.59 = 317,149.16 : x
  2. Step 2: Convert to fraction form
    562,114.13/775,792.59 = 317,149.16/x
  3. Step 3: Cross multiply
    562,114.13x = 775,792.59 × 317,149.16
  4. Step 4: Simplify right side
    562,114.13x = 246,041,968,252.72
  5. Step 5: Solve for x
    x = 246,041,968,252.72/562,114.13
  6. Step 6: Final answer
    x = 437,708.21

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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.