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Finding the Fourth Proportional to 526,951.30, 790,448.82 and 152,974.30

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Solution

The fourth proportional to 526,951.30, 790,448.82 and 152,974.30 is: 229,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,951.30 : 790,448.82 = 152,974.30 : x
  2. Step 2: Convert to fraction form
    526,951.30/790,448.82 = 152,974.30/x
  3. Step 3: Cross multiply
    526,951.30x = 790,448.82 × 152,974.30
  4. Step 4: Simplify right side
    526,951.30x = 120,918,354,925.33
  5. Step 5: Solve for x
    x = 120,918,354,925.33/526,951.30
  6. Step 6: Final answer
    x = 229,467.80

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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.