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Finding the Fourth Proportional to 525,714.30, 788,139.45 and 226,424.70

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Solution

The fourth proportional to 525,714.30, 788,139.45 and 226,424.70 is: 339,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,714.30 : 788,139.45 = 226,424.70 : x
  2. Step 2: Convert to fraction form
    525,714.30/788,139.45 = 226,424.70/x
  3. Step 3: Cross multiply
    525,714.30x = 788,139.45 × 226,424.70
  4. Step 4: Simplify right side
    525,714.30x = 178,454,238,524.42
  5. Step 5: Solve for x
    x = 178,454,238,524.42/525,714.30
  6. Step 6: Final answer
    x = 339,450.99

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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.