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Finding the Fourth Proportional to 581,843.75, 872,756.86 and 261,769.58

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Solution

The fourth proportional to 581,843.75, 872,756.86 and 261,769.58 is: 392,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,843.75 : 872,756.86 = 261,769.58 : x
  2. Step 2: Convert to fraction form
    581,843.75/872,756.86 = 261,769.58/x
  3. Step 3: Cross multiply
    581,843.75x = 872,756.86 × 261,769.58
  4. Step 4: Simplify right side
    581,843.75x = 228,461,200,502.72
  5. Step 5: Solve for x
    x = 228,461,200,502.72/581,843.75
  6. Step 6: Final answer
    x = 392,650.44

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1.5x scale

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.