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Finding the Fourth Proportional to 585,322.72, 807,745.44 and 317,050.72

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Solution

The fourth proportional to 585,322.72, 807,745.44 and 317,050.72 is: 437,530.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,322.72 : 807,745.44 = 317,050.72 : x
  2. Step 2: Convert to fraction form
    585,322.72/807,745.44 = 317,050.72/x
  3. Step 3: Cross multiply
    585,322.72x = 807,745.44 × 317,050.72
  4. Step 4: Simplify right side
    585,322.72x = 256,096,273,328.72
  5. Step 5: Solve for x
    x = 256,096,273,328.72/585,322.72
  6. Step 6: Final answer
    x = 437,530.04

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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.