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Finding the Fourth Proportional to 606,157.90, 909,203.88 and 185,433.78

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Solution

The fourth proportional to 606,157.90, 909,203.88 and 185,433.78 is: 278,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,157.90 : 909,203.88 = 185,433.78 : x
  2. Step 2: Convert to fraction form
    606,157.90/909,203.88 = 185,433.78/x
  3. Step 3: Cross multiply
    606,157.90x = 909,203.88 × 185,433.78
  4. Step 4: Simplify right side
    606,157.90x = 168,597,112,259.07
  5. Step 5: Solve for x
    x = 168,597,112,259.07/606,157.90
  6. Step 6: Final answer
    x = 278,140.58

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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.