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Finding the Fourth Proportional to 962,879.76, 1,328,756.76 and 533,158.56

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Solution

The fourth proportional to 962,879.76, 1,328,756.76 and 533,158.56 is: 735,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,879.76 : 1,328,756.76 = 533,158.56 : x
  2. Step 2: Convert to fraction form
    962,879.76/1,328,756.76 = 533,158.56/x
  3. Step 3: Cross multiply
    962,879.76x = 1,328,756.76 × 533,158.56
  4. Step 4: Simplify right side
    962,879.76x = 708,438,040,751.87
  5. Step 5: Solve for x
    x = 708,438,040,751.87/962,879.76
  6. Step 6: Final answer
    x = 735,749.23

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Double scale
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1.5x scale

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.