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Finding the Fourth Proportional to 479,199.60, 661,287.24 and 264,360.24

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Solution

The fourth proportional to 479,199.60, 661,287.24 and 264,360.24 is: 364,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,199.60 : 661,287.24 = 264,360.24 : x
  2. Step 2: Convert to fraction form
    479,199.60/661,287.24 = 264,360.24/x
  3. Step 3: Cross multiply
    479,199.60x = 661,287.24 × 264,360.24
  4. Step 4: Simplify right side
    479,199.60x = 174,818,053,475.34
  5. Step 5: Solve for x
    x = 174,818,053,475.34/479,199.60
  6. Step 6: Final answer
    x = 364,812.60

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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.