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Finding the Fourth Proportional to 562,680.29, 776,540.09 and 371,361.53

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Solution

The fourth proportional to 562,680.29, 776,540.09 and 371,361.53 is: 512,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,680.29 : 776,540.09 = 371,361.53 : x
  2. Step 2: Convert to fraction form
    562,680.29/776,540.09 = 371,361.53/x
  3. Step 3: Cross multiply
    562,680.29x = 776,540.09 × 371,361.53
  4. Step 4: Simplify right side
    562,680.29x = 288,377,114,071.93
  5. Step 5: Solve for x
    x = 288,377,114,071.93/562,680.29
  6. Step 6: Final answer
    x = 512,506.16

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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.