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Finding the Fourth Proportional to 416,310.62, 574,522.56 and 255,134.52

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Solution

The fourth proportional to 416,310.62, 574,522.56 and 255,134.52 is: 352,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,310.62 : 574,522.56 = 255,134.52 : x
  2. Step 2: Convert to fraction form
    416,310.62/574,522.56 = 255,134.52/x
  3. Step 3: Cross multiply
    416,310.62x = 574,522.56 × 255,134.52
  4. Step 4: Simplify right side
    416,310.62x = 146,580,537,574.77
  5. Step 5: Solve for x
    x = 146,580,537,574.77/416,310.62
  6. Step 6: Final answer
    x = 352,094.16

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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.