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Finding the Fourth Proportional to 570,420.74, 787,551.99 and 366,550.22

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Solution

The fourth proportional to 570,420.74, 787,551.99 and 366,550.22 is: 506,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,420.74 : 787,551.99 = 366,550.22 : x
  2. Step 2: Convert to fraction form
    570,420.74/787,551.99 = 366,550.22/x
  3. Step 3: Cross multiply
    570,420.74x = 787,551.99 × 366,550.22
  4. Step 4: Simplify right side
    570,420.74x = 288,677,355,195.94
  5. Step 5: Solve for x
    x = 288,677,355,195.94/570,420.74
  6. Step 6: Final answer
    x = 506,077.94

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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.