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Finding the Fourth Proportional to 350,591.36, 483,915.12 and 207,401.12

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Solution

The fourth proportional to 350,591.36, 483,915.12 and 207,401.12 is: 286,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,591.36 : 483,915.12 = 207,401.12 : x
  2. Step 2: Convert to fraction form
    350,591.36/483,915.12 = 207,401.12/x
  3. Step 3: Cross multiply
    350,591.36x = 483,915.12 × 207,401.12
  4. Step 4: Simplify right side
    350,591.36x = 100,364,537,872.93
  5. Step 5: Solve for x
    x = 100,364,537,872.93/350,591.36
  6. Step 6: Final answer
    x = 286,272.14

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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.