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Finding the Fourth Proportional to 606,388.60, 909,585.60 and 157,077.55

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Solution

The fourth proportional to 606,388.60, 909,585.60 and 157,077.55 is: 235,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,388.60 : 909,585.60 = 157,077.55 : x
  2. Step 2: Convert to fraction form
    606,388.60/909,585.60 = 157,077.55/x
  3. Step 3: Cross multiply
    606,388.60x = 909,585.60 × 157,077.55
  4. Step 4: Simplify right side
    606,388.60x = 142,875,477,563.28
  5. Step 5: Solve for x
    x = 142,875,477,563.28/606,388.60
  6. Step 6: Final answer
    x = 235,617.02

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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.