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Finding the Fourth Proportional to 337,813.60, 506,403.60 and 127,592.80

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Solution

The fourth proportional to 337,813.60, 506,403.60 and 127,592.80 is: 191,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,813.60 : 506,403.60 = 127,592.80 : x
  2. Step 2: Convert to fraction form
    337,813.60/506,403.60 = 127,592.80/x
  3. Step 3: Cross multiply
    337,813.60x = 506,403.60 × 127,592.80
  4. Step 4: Simplify right side
    337,813.60x = 64,613,453,254.08
  5. Step 5: Solve for x
    x = 64,613,453,254.08/337,813.60
  6. Step 6: Final answer
    x = 191,269.54

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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.