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Finding the Fourth Proportional to 555,953.32, 767,216.91 and 301,304.44

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Solution

The fourth proportional to 555,953.32, 767,216.91 and 301,304.44 is: 415,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,953.32 : 767,216.91 = 301,304.44 : x
  2. Step 2: Convert to fraction form
    555,953.32/767,216.91 = 301,304.44/x
  3. Step 3: Cross multiply
    555,953.32x = 767,216.91 × 301,304.44
  4. Step 4: Simplify right side
    555,953.32x = 231,165,861,426.08
  5. Step 5: Solve for x
    x = 231,165,861,426.08/555,953.32
  6. Step 6: Final answer
    x = 415,800.85

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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.