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Finding the Fourth Proportional to 475,751.08, 712,226.46 and 317,587.24

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Solution

The fourth proportional to 475,751.08, 712,226.46 and 317,587.24 is: 475,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,751.08 : 712,226.46 = 317,587.24 : x
  2. Step 2: Convert to fraction form
    475,751.08/712,226.46 = 317,587.24/x
  3. Step 3: Cross multiply
    475,751.08x = 712,226.46 × 317,587.24
  4. Step 4: Simplify right side
    475,751.08x = 226,194,035,686.37
  5. Step 5: Solve for x
    x = 226,194,035,686.37/475,751.08
  6. Step 6: Final answer
    x = 475,446.18

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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.