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Finding the Fourth Proportional to 534,224.88, 737,108.64 and 319,328.64

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Solution

The fourth proportional to 534,224.88, 737,108.64 and 319,328.64 is: 440,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,224.88 : 737,108.64 = 319,328.64 : x
  2. Step 2: Convert to fraction form
    534,224.88/737,108.64 = 319,328.64/x
  3. Step 3: Cross multiply
    534,224.88x = 737,108.64 × 319,328.64
  4. Step 4: Simplify right side
    534,224.88x = 235,379,899,543.45
  5. Step 5: Solve for x
    x = 235,379,899,543.45/534,224.88
  6. Step 6: Final answer
    x = 440,600.78

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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.