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Finding the Fourth Proportional to 418,803.48, 577,945.98 and 237,550.68

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Solution

The fourth proportional to 418,803.48, 577,945.98 and 237,550.68 is: 327,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,803.48 : 577,945.98 = 237,550.68 : x
  2. Step 2: Convert to fraction form
    418,803.48/577,945.98 = 237,550.68/x
  3. Step 3: Cross multiply
    418,803.48x = 577,945.98 × 237,550.68
  4. Step 4: Simplify right side
    418,803.48x = 137,291,460,552.27
  5. Step 5: Solve for x
    x = 137,291,460,552.27/418,803.48
  6. Step 6: Final answer
    x = 327,818.34

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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.