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Finding the Fourth Proportional to 418,334.40, 577,279.37 and 237,048.50

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Solution

The fourth proportional to 418,334.40, 577,279.37 and 237,048.50 is: 327,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,334.40 : 577,279.37 = 237,048.50 : x
  2. Step 2: Convert to fraction form
    418,334.40/577,279.37 = 237,048.50/x
  3. Step 3: Cross multiply
    418,334.40x = 577,279.37 × 237,048.50
  4. Step 4: Simplify right side
    418,334.40x = 136,843,208,739.45
  5. Step 5: Solve for x
    x = 136,843,208,739.45/418,334.40
  6. Step 6: Final answer
    x = 327,114.41

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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.