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Finding the Fourth Proportional to 720,792.53, 994,767.64 and 414,880.37

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Solution

The fourth proportional to 720,792.53, 994,767.64 and 414,880.37 is: 572,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,792.53 : 994,767.64 = 414,880.37 : x
  2. Step 2: Convert to fraction form
    720,792.53/994,767.64 = 414,880.37/x
  3. Step 3: Cross multiply
    720,792.53x = 994,767.64 × 414,880.37
  4. Step 4: Simplify right side
    720,792.53x = 412,709,560,536.19
  5. Step 5: Solve for x
    x = 412,709,560,536.19/720,792.53
  6. Step 6: Final answer
    x = 572,577.47

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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.