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Finding the Fourth Proportional to 526,801.19, 790,121.58 and 171,814.64

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Solution

The fourth proportional to 526,801.19, 790,121.58 and 171,814.64 is: 257,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,801.19 : 790,121.58 = 171,814.64 : x
  2. Step 2: Convert to fraction form
    526,801.19/790,121.58 = 171,814.64/x
  3. Step 3: Cross multiply
    526,801.19x = 790,121.58 × 171,814.64
  4. Step 4: Simplify right side
    526,801.19x = 135,754,454,823.93
  5. Step 5: Solve for x
    x = 135,754,454,823.93/526,801.19
  6. Step 6: Final answer
    x = 257,695.80

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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.