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Finding the Fourth Proportional to 360,446.92, 497,395.38 and 199,289.32

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Solution

The fourth proportional to 360,446.92, 497,395.38 and 199,289.32 is: 275,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,446.92 : 497,395.38 = 199,289.32 : x
  2. Step 2: Convert to fraction form
    360,446.92/497,395.38 = 199,289.32/x
  3. Step 3: Cross multiply
    360,446.92x = 497,395.38 × 199,289.32
  4. Step 4: Simplify right side
    360,446.92x = 99,125,587,051.34
  5. Step 5: Solve for x
    x = 99,125,587,051.34/360,446.92
  6. Step 6: Final answer
    x = 275,007.45

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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.