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Finding the Fourth Proportional to 479,417.59, 718,440.99 and 352,058.59

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Solution

The fourth proportional to 479,417.59, 718,440.99 and 352,058.59 is: 527,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,417.59 : 718,440.99 = 352,058.59 : x
  2. Step 2: Convert to fraction form
    479,417.59/718,440.99 = 352,058.59/x
  3. Step 3: Cross multiply
    479,417.59x = 718,440.99 × 352,058.59
  4. Step 4: Simplify right side
    479,417.59x = 252,933,321,937.60
  5. Step 5: Solve for x
    x = 252,933,321,937.60/479,417.59
  6. Step 6: Final answer
    x = 527,584.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.