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Finding the Fourth Proportional to 534,892.80, 801,417.60 and 253,804.80

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Solution

The fourth proportional to 534,892.80, 801,417.60 and 253,804.80 is: 380,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,892.80 : 801,417.60 = 253,804.80 : x
  2. Step 2: Convert to fraction form
    534,892.80/801,417.60 = 253,804.80/x
  3. Step 3: Cross multiply
    534,892.80x = 801,417.60 × 253,804.80
  4. Step 4: Simplify right side
    534,892.80x = 203,403,633,684.48
  5. Step 5: Solve for x
    x = 203,403,633,684.48/534,892.80
  6. Step 6: Final answer
    x = 380,269.90

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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.