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Finding the Fourth Proportional to 472,204.53, 651,642.84 and 257,344.83

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Solution

The fourth proportional to 472,204.53, 651,642.84 and 257,344.83 is: 355,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,204.53 : 651,642.84 = 257,344.83 : x
  2. Step 2: Convert to fraction form
    472,204.53/651,642.84 = 257,344.83/x
  3. Step 3: Cross multiply
    472,204.53x = 651,642.84 × 257,344.83
  4. Step 4: Simplify right side
    472,204.53x = 167,696,915,880.52
  5. Step 5: Solve for x
    x = 167,696,915,880.52/472,204.53
  6. Step 6: Final answer
    x = 355,136.19

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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.