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Finding the Fourth Proportional to 418,348.92, 577,325.96 and 227,362.32

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Solution

The fourth proportional to 418,348.92, 577,325.96 and 227,362.32 is: 313,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,348.92 : 577,325.96 = 227,362.32 : x
  2. Step 2: Convert to fraction form
    418,348.92/577,325.96 = 227,362.32/x
  3. Step 3: Cross multiply
    418,348.92x = 577,325.96 × 227,362.32
  4. Step 4: Simplify right side
    418,348.92x = 131,262,169,661.83
  5. Step 5: Solve for x
    x = 131,262,169,661.83/418,348.92
  6. Step 6: Final answer
    x = 313,762.42

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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.