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Finding the Fourth Proportional to 479,221.68, 661,297.56 and 264,362.16

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Solution

The fourth proportional to 479,221.68, 661,297.56 and 264,362.16 is: 364,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,221.68 : 661,297.56 = 264,362.16 : x
  2. Step 2: Convert to fraction form
    479,221.68/661,297.56 = 264,362.16/x
  3. Step 3: Cross multiply
    479,221.68x = 661,297.56 × 264,362.16
  4. Step 4: Simplify right side
    479,221.68x = 174,822,051,364.33
  5. Step 5: Solve for x
    x = 174,822,051,364.33/479,221.68
  6. Step 6: Final answer
    x = 364,804.14

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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.