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Finding the Fourth Proportional to 607,546.20, 910,007.10 and 326,735.40

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Solution

The fourth proportional to 607,546.20, 910,007.10 and 326,735.40 is: 489,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,546.20 : 910,007.10 = 326,735.40 : x
  2. Step 2: Convert to fraction form
    607,546.20/910,007.10 = 326,735.40/x
  3. Step 3: Cross multiply
    607,546.20x = 910,007.10 × 326,735.40
  4. Step 4: Simplify right side
    607,546.20x = 297,331,533,821.34
  5. Step 5: Solve for x
    x = 297,331,533,821.34/607,546.20
  6. Step 6: Final answer
    x = 489,397.41

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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.