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Finding the Fourth Proportional to 570,421.49, 787,553.03 and 366,550.97

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Solution

The fourth proportional to 570,421.49, 787,553.03 and 366,550.97 is: 506,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,421.49 : 787,553.03 = 366,550.97 : x
  2. Step 2: Convert to fraction form
    570,421.49/787,553.03 = 366,550.97/x
  3. Step 3: Cross multiply
    570,421.49x = 787,553.03 × 366,550.97
  4. Step 4: Simplify right side
    570,421.49x = 288,678,327,072.94
  5. Step 5: Solve for x
    x = 288,678,327,072.94/570,421.49
  6. Step 6: Final answer
    x = 506,078.98

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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.