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Finding the Fourth Proportional to 418,224.72, 577,187.76 and 236,980.74

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Solution

The fourth proportional to 418,224.72, 577,187.76 and 236,980.74 is: 327,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,224.72 : 577,187.76 = 236,980.74 : x
  2. Step 2: Convert to fraction form
    418,224.72/577,187.76 = 236,980.74/x
  3. Step 3: Cross multiply
    418,224.72x = 577,187.76 × 236,980.74
  4. Step 4: Simplify right side
    418,224.72x = 136,782,382,483.74
  5. Step 5: Solve for x
    x = 136,782,382,483.74/418,224.72
  6. Step 6: Final answer
    x = 327,054.75

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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.