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Finding the Fourth Proportional to 349,412.52, 482,253.28 and 228,660.96

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Solution

The fourth proportional to 349,412.52, 482,253.28 and 228,660.96 is: 315,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,412.52 : 482,253.28 = 228,660.96 : x
  2. Step 2: Convert to fraction form
    349,412.52/482,253.28 = 228,660.96/x
  3. Step 3: Cross multiply
    349,412.52x = 482,253.28 × 228,660.96
  4. Step 4: Simplify right side
    349,412.52x = 110,272,497,967.95
  5. Step 5: Solve for x
    x = 110,272,497,967.95/349,412.52
  6. Step 6: Final answer
    x = 315,594.01

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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.