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Finding the Fourth Proportional to 479,632.02, 661,892.30 and 264,772.23

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Solution

The fourth proportional to 479,632.02, 661,892.30 and 264,772.23 is: 365,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,632.02 : 661,892.30 = 264,772.23 : x
  2. Step 2: Convert to fraction form
    479,632.02/661,892.30 = 264,772.23/x
  3. Step 3: Cross multiply
    479,632.02x = 661,892.30 × 264,772.23
  4. Step 4: Simplify right side
    479,632.02x = 175,250,698,966.97
  5. Step 5: Solve for x
    x = 175,250,698,966.97/479,632.02
  6. Step 6: Final answer
    x = 365,385.74

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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.