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Finding the Fourth Proportional to 570,419.49, 787,550.27 and 366,548.97

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Solution

The fourth proportional to 570,419.49, 787,550.27 and 366,548.97 is: 506,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,419.49 : 787,550.27 = 366,548.97 : x
  2. Step 2: Convert to fraction form
    570,419.49/787,550.27 = 366,548.97/x
  3. Step 3: Cross multiply
    570,419.49x = 787,550.27 × 366,548.97
  4. Step 4: Simplify right side
    570,419.49x = 288,675,738,458.98
  5. Step 5: Solve for x
    x = 288,675,738,458.98/570,419.49
  6. Step 6: Final answer
    x = 506,076.22

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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.