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Finding the Fourth Proportional to 899,584.80, 1,348,721.10 and 366,831.60

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Solution

The fourth proportional to 899,584.80, 1,348,721.10 and 366,831.60 is: 549,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,584.80 : 1,348,721.10 = 366,831.60 : x
  2. Step 2: Convert to fraction form
    899,584.80/1,348,721.10 = 366,831.60/x
  3. Step 3: Cross multiply
    899,584.80x = 1,348,721.10 × 366,831.60
  4. Step 4: Simplify right side
    899,584.80x = 494,753,519,066.76
  5. Step 5: Solve for x
    x = 494,753,519,066.76/899,584.80
  6. Step 6: Final answer
    x = 549,979.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.