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Finding the Fourth Proportional to 534,479.36, 737,559.92 and 319,738.16

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Solution

The fourth proportional to 534,479.36, 737,559.92 and 319,738.16 is: 441,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,479.36 : 737,559.92 = 319,738.16 : x
  2. Step 2: Convert to fraction form
    534,479.36/737,559.92 = 319,738.16/x
  3. Step 3: Cross multiply
    534,479.36x = 737,559.92 × 319,738.16
  4. Step 4: Simplify right side
    534,479.36x = 235,826,051,710.55
  5. Step 5: Solve for x
    x = 235,826,051,710.55/534,479.36
  6. Step 6: Final answer
    x = 441,225.74

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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.