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Finding the Fourth Proportional to 572,507.10, 858,760.65 and 336,116.70

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Solution

The fourth proportional to 572,507.10, 858,760.65 and 336,116.70 is: 504,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,507.10 : 858,760.65 = 336,116.70 : x
  2. Step 2: Convert to fraction form
    572,507.10/858,760.65 = 336,116.70/x
  3. Step 3: Cross multiply
    572,507.10x = 858,760.65 × 336,116.70
  4. Step 4: Simplify right side
    572,507.10x = 288,643,795,767.86
  5. Step 5: Solve for x
    x = 288,643,795,767.86/572,507.10
  6. Step 6: Final answer
    x = 504,175.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.