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Finding the Fourth Proportional to 570,730.50, 851,059.22 and 565,605.48

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Solution

The fourth proportional to 570,730.50, 851,059.22 and 565,605.48 is: 843,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,730.50 : 851,059.22 = 565,605.48 : x
  2. Step 2: Convert to fraction form
    570,730.50/851,059.22 = 565,605.48/x
  3. Step 3: Cross multiply
    570,730.50x = 851,059.22 × 565,605.48
  4. Step 4: Simplify right side
    570,730.50x = 481,363,758,636.53
  5. Step 5: Solve for x
    x = 481,363,758,636.53/570,730.50
  6. Step 6: Final answer
    x = 843,416.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.