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Finding the Fourth Proportional to 322,593.24, 482,475.06 and 287,303.52

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Solution

The fourth proportional to 322,593.24, 482,475.06 and 287,303.52 is: 429,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,593.24 : 482,475.06 = 287,303.52 : x
  2. Step 2: Convert to fraction form
    322,593.24/482,475.06 = 287,303.52/x
  3. Step 3: Cross multiply
    322,593.24x = 482,475.06 × 287,303.52
  4. Step 4: Simplify right side
    322,593.24x = 138,616,783,050.21
  5. Step 5: Solve for x
    x = 138,616,783,050.21/322,593.24
  6. Step 6: Final answer
    x = 429,695.25

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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.