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Finding the Fourth Proportional to 882,800.76, 1,324,295.45 and 314,232.69

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Solution

The fourth proportional to 882,800.76, 1,324,295.45 and 314,232.69 is: 471,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,800.76 : 1,324,295.45 = 314,232.69 : x
  2. Step 2: Convert to fraction form
    882,800.76/1,324,295.45 = 314,232.69/x
  3. Step 3: Cross multiply
    882,800.76x = 1,324,295.45 × 314,232.69
  4. Step 4: Simplify right side
    882,800.76x = 416,136,921,608.26
  5. Step 5: Solve for x
    x = 416,136,921,608.26/882,800.76
  6. Step 6: Final answer
    x = 471,382.60

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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.