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Finding the Fourth Proportional to 479,598.43, 661,688.66 and 341,799.07

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Solution

The fourth proportional to 479,598.43, 661,688.66 and 341,799.07 is: 471,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,598.43 : 661,688.66 = 341,799.07 : x
  2. Step 2: Convert to fraction form
    479,598.43/661,688.66 = 341,799.07/x
  3. Step 3: Cross multiply
    479,598.43x = 661,688.66 × 341,799.07
  4. Step 4: Simplify right side
    479,598.43x = 226,164,568,617.55
  5. Step 5: Solve for x
    x = 226,164,568,617.55/479,598.43
  6. Step 6: Final answer
    x = 471,570.70

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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.