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Finding the Fourth Proportional to 482,878.80, 666,381.12 and 265,107.74

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Solution

The fourth proportional to 482,878.80, 666,381.12 and 265,107.74 is: 365,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,878.80 : 666,381.12 = 265,107.74 : x
  2. Step 2: Convert to fraction form
    482,878.80/666,381.12 = 265,107.74/x
  3. Step 3: Cross multiply
    482,878.80x = 666,381.12 × 265,107.74
  4. Step 4: Simplify right side
    482,878.80x = 176,662,789,369.96
  5. Step 5: Solve for x
    x = 176,662,789,369.96/482,878.80
  6. Step 6: Final answer
    x = 365,853.27

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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.