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Finding the Fourth Proportional to 418,466.84, 577,484.66 and 227,480.24

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Solution

The fourth proportional to 418,466.84, 577,484.66 and 227,480.24 is: 313,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,466.84 : 577,484.66 = 227,480.24 : x
  2. Step 2: Convert to fraction form
    418,466.84/577,484.66 = 227,480.24/x
  3. Step 3: Cross multiply
    418,466.84x = 577,484.66 × 227,480.24
  4. Step 4: Simplify right side
    418,466.84x = 131,366,349,053.12
  5. Step 5: Solve for x
    x = 131,366,349,053.12/418,466.84
  6. Step 6: Final answer
    x = 313,922.96

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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.