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Finding the Fourth Proportional to 482,856.84, 666,465.06 and 329,956.92

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Solution

The fourth proportional to 482,856.84, 666,465.06 and 329,956.92 is: 455,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,856.84 : 666,465.06 = 329,956.92 : x
  2. Step 2: Convert to fraction form
    482,856.84/666,465.06 = 329,956.92/x
  3. Step 3: Cross multiply
    482,856.84x = 666,465.06 × 329,956.92
  4. Step 4: Simplify right side
    482,856.84x = 219,904,758,485.22
  5. Step 5: Solve for x
    x = 219,904,758,485.22/482,856.84
  6. Step 6: Final answer
    x = 455,424.34

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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.