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Finding the Fourth Proportional to 341,728.98, 512,401.47 and 141,914.94

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Solution

The fourth proportional to 341,728.98, 512,401.47 and 141,914.94 is: 212,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,728.98 : 512,401.47 = 141,914.94 : x
  2. Step 2: Convert to fraction form
    341,728.98/512,401.47 = 141,914.94/x
  3. Step 3: Cross multiply
    341,728.98x = 512,401.47 × 141,914.94
  4. Step 4: Simplify right side
    341,728.98x = 72,717,423,870.96
  5. Step 5: Solve for x
    x = 72,717,423,870.96/341,728.98
  6. Step 6: Final answer
    x = 212,792.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.