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Finding the Fourth Proportional to 619,070.88, 928,533.60 and 169,837.12

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Solution

The fourth proportional to 619,070.88, 928,533.60 and 169,837.12 is: 254,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,070.88 : 928,533.60 = 169,837.12 : x
  2. Step 2: Convert to fraction form
    619,070.88/928,533.60 = 169,837.12/x
  3. Step 3: Cross multiply
    619,070.88x = 928,533.60 × 169,837.12
  4. Step 4: Simplify right side
    619,070.88x = 157,699,472,447.23
  5. Step 5: Solve for x
    x = 157,699,472,447.23/619,070.88
  6. Step 6: Final answer
    x = 254,735.73

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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.