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Finding the Fourth Proportional to 882,254.33, 1,322,668.64 and 342,231.77

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Solution

The fourth proportional to 882,254.33, 1,322,668.64 and 342,231.77 is: 513,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,254.33 : 1,322,668.64 = 342,231.77 : x
  2. Step 2: Convert to fraction form
    882,254.33/1,322,668.64 = 342,231.77/x
  3. Step 3: Cross multiply
    882,254.33x = 1,322,668.64 × 342,231.77
  4. Step 4: Simplify right side
    882,254.33x = 452,659,224,032.93
  5. Step 5: Solve for x
    x = 452,659,224,032.93/882,254.33
  6. Step 6: Final answer
    x = 513,071.13

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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.