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Finding the Fourth Proportional to 565,208.60, 851,582.79 and 511,235.64

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Solution

The fourth proportional to 565,208.60, 851,582.79 and 511,235.64 is: 770,263.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,208.60 : 851,582.79 = 511,235.64 : x
  2. Step 2: Convert to fraction form
    565,208.60/851,582.79 = 511,235.64/x
  3. Step 3: Cross multiply
    565,208.60x = 851,582.79 × 511,235.64
  4. Step 4: Simplify right side
    565,208.60x = 435,359,472,658.64
  5. Step 5: Solve for x
    x = 435,359,472,658.64/565,208.60
  6. Step 6: Final answer
    x = 770,263.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.