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Finding the Fourth Proportional to 534,563.51, 737,697.60 and 319,703.57

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Solution

The fourth proportional to 534,563.51, 737,697.60 and 319,703.57 is: 441,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,563.51 : 737,697.60 = 319,703.57 : x
  2. Step 2: Convert to fraction form
    534,563.51/737,697.60 = 319,703.57/x
  3. Step 3: Cross multiply
    534,563.51x = 737,697.60 × 319,703.57
  4. Step 4: Simplify right side
    534,563.51x = 235,844,551,013.43
  5. Step 5: Solve for x
    x = 235,844,551,013.43/534,563.51
  6. Step 6: Final answer
    x = 441,190.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.