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Finding the Fourth Proportional to 482,878.56, 666,342 and 268,006.08

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Solution

The fourth proportional to 482,878.56, 666,342 and 268,006.08 is: 369,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,878.56 : 666,342 = 268,006.08 : x
  2. Step 2: Convert to fraction form
    482,878.56/666,342 = 268,006.08/x
  3. Step 3: Cross multiply
    482,878.56x = 666,342 × 268,006.08
  4. Step 4: Simplify right side
    482,878.56x = 178,583,707,359.36
  5. Step 5: Solve for x
    x = 178,583,707,359.36/482,878.56
  6. Step 6: Final answer
    x = 369,831.51

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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.