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Finding the Fourth Proportional to 658,879.46, 908,574.80 and 563,701.22

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Solution

The fourth proportional to 658,879.46, 908,574.80 and 563,701.22 is: 777,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,879.46 : 908,574.80 = 563,701.22 : x
  2. Step 2: Convert to fraction form
    658,879.46/908,574.80 = 563,701.22/x
  3. Step 3: Cross multiply
    658,879.46x = 908,574.80 × 563,701.22
  4. Step 4: Simplify right side
    658,879.46x = 512,164,723,221.26
  5. Step 5: Solve for x
    x = 512,164,723,221.26/658,879.46
  6. Step 6: Final answer
    x = 777,326.89

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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.