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Finding the Fourth Proportional to 607,234.30, 910,851.45 and 426,150.70

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Solution

The fourth proportional to 607,234.30, 910,851.45 and 426,150.70 is: 639,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,234.30 : 910,851.45 = 426,150.70 : x
  2. Step 2: Convert to fraction form
    607,234.30/910,851.45 = 426,150.70/x
  3. Step 3: Cross multiply
    607,234.30x = 910,851.45 × 426,150.70
  4. Step 4: Simplify right side
    607,234.30x = 388,159,983,013.52
  5. Step 5: Solve for x
    x = 388,159,983,013.52/607,234.30
  6. Step 6: Final answer
    x = 639,226.05

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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.