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Finding the Fourth Proportional to 349,087.36, 482,024.64 and 284,566.72

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Solution

The fourth proportional to 349,087.36, 482,024.64 and 284,566.72 is: 392,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,087.36 : 482,024.64 = 284,566.72 : x
  2. Step 2: Convert to fraction form
    349,087.36/482,024.64 = 284,566.72/x
  3. Step 3: Cross multiply
    349,087.36x = 482,024.64 × 284,566.72
  4. Step 4: Simplify right side
    349,087.36x = 137,168,170,763.98
  5. Step 5: Solve for x
    x = 137,168,170,763.98/349,087.36
  6. Step 6: Final answer
    x = 392,933.65

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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.