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Finding the Fourth Proportional to 479,334.27, 661,480.76 and 264,474.32

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Solution

The fourth proportional to 479,334.27, 661,480.76 and 264,474.32 is: 364,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,334.27 : 661,480.76 = 264,474.32 : x
  2. Step 2: Convert to fraction form
    479,334.27/661,480.76 = 264,474.32/x
  3. Step 3: Cross multiply
    479,334.27x = 661,480.76 × 264,474.32
  4. Step 4: Simplify right side
    479,334.27x = 174,944,671,547.87
  5. Step 5: Solve for x
    x = 174,944,671,547.87/479,334.27
  6. Step 6: Final answer
    x = 364,974.26

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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.