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Finding the Fourth Proportional to 607,055.10, 910,837.80 and 326,244.30

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Solution

The fourth proportional to 607,055.10, 910,837.80 and 326,244.30 is: 489,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,055.10 : 910,837.80 = 326,244.30 : x
  2. Step 2: Convert to fraction form
    607,055.10/910,837.80 = 326,244.30/x
  3. Step 3: Cross multiply
    607,055.10x = 910,837.80 × 326,244.30
  4. Step 4: Simplify right side
    607,055.10x = 297,155,640,474.54
  5. Step 5: Solve for x
    x = 297,155,640,474.54/607,055.10
  6. Step 6: Final answer
    x = 489,503.57

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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.