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Finding the Fourth Proportional to 606,987.60, 908,731.80 and 606,987.60

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Solution

The fourth proportional to 606,987.60, 908,731.80 and 606,987.60 is: 908,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,987.60 : 908,731.80 = 606,987.60 : x
  2. Step 2: Convert to fraction form
    606,987.60/908,731.80 = 606,987.60/x
  3. Step 3: Cross multiply
    606,987.60x = 908,731.80 × 606,987.60
  4. Step 4: Simplify right side
    606,987.60x = 551,588,934,325.68
  5. Step 5: Solve for x
    x = 551,588,934,325.68/606,987.60
  6. Step 6: Final answer
    x = 908,731.80

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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.