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Finding the Fourth Proportional to 607,558.20, 910,025.10 and 326,747.40

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Solution

The fourth proportional to 607,558.20, 910,025.10 and 326,747.40 is: 489,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,558.20 : 910,025.10 = 326,747.40 : x
  2. Step 2: Convert to fraction form
    607,558.20/910,025.10 = 326,747.40/x
  3. Step 3: Cross multiply
    607,558.20x = 910,025.10 × 326,747.40
  4. Step 4: Simplify right side
    607,558.20x = 297,348,335,359.74
  5. Step 5: Solve for x
    x = 297,348,335,359.74/607,558.20
  6. Step 6: Final answer
    x = 489,415.39

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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.