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Finding the Fourth Proportional to 633,328.08, 949,873.20 and 317,700.24

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Solution

The fourth proportional to 633,328.08, 949,873.20 and 317,700.24 is: 476,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,328.08 : 949,873.20 = 317,700.24 : x
  2. Step 2: Convert to fraction form
    633,328.08/949,873.20 = 317,700.24/x
  3. Step 3: Cross multiply
    633,328.08x = 949,873.20 × 317,700.24
  4. Step 4: Simplify right side
    633,328.08x = 301,774,943,609.57
  5. Step 5: Solve for x
    x = 301,774,943,609.57/633,328.08
  6. Step 6: Final answer
    x = 476,490.71

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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.