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Finding the Fourth Proportional to 337,415.60, 506,317.80 and 127,204.40

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Solution

The fourth proportional to 337,415.60, 506,317.80 and 127,204.40 is: 190,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,415.60 : 506,317.80 = 127,204.40 : x
  2. Step 2: Convert to fraction form
    337,415.60/506,317.80 = 127,204.40/x
  3. Step 3: Cross multiply
    337,415.60x = 506,317.80 × 127,204.40
  4. Step 4: Simplify right side
    337,415.60x = 64,405,851,958.32
  5. Step 5: Solve for x
    x = 64,405,851,958.32/337,415.60
  6. Step 6: Final answer
    x = 190,879.89

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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.