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Finding the Fourth Proportional to 700,503, 1,050,563.07 and 251,140.38

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Solution

The fourth proportional to 700,503, 1,050,563.07 and 251,140.38 is: 376,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,503 : 1,050,563.07 = 251,140.38 : x
  2. Step 2: Convert to fraction form
    700,503/1,050,563.07 = 251,140.38/x
  3. Step 3: Cross multiply
    700,503x = 1,050,563.07 × 251,140.38
  4. Step 4: Simplify right side
    700,503x = 263,838,808,613.77
  5. Step 5: Solve for x
    x = 263,838,808,613.77/700,503
  6. Step 6: Final answer
    x = 376,641.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.