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Finding the Fourth Proportional to 479,597.43, 661,687.28 and 341,798.07

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Solution

The fourth proportional to 479,597.43, 661,687.28 and 341,798.07 is: 471,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,597.43 : 661,687.28 = 341,798.07 : x
  2. Step 2: Convert to fraction form
    479,597.43/661,687.28 = 341,798.07/x
  3. Step 3: Cross multiply
    479,597.43x = 661,687.28 × 341,798.07
  4. Step 4: Simplify right side
    479,597.43x = 226,163,431,484.48
  5. Step 5: Solve for x
    x = 226,163,431,484.48/479,597.43
  6. Step 6: Final answer
    x = 471,569.31

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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.