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Finding the Fourth Proportional to 631,798.80, 947,558.64 and 182,422.08

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Solution

The fourth proportional to 631,798.80, 947,558.64 and 182,422.08 is: 273,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,798.80 : 947,558.64 = 182,422.08 : x
  2. Step 2: Convert to fraction form
    631,798.80/947,558.64 = 182,422.08/x
  3. Step 3: Cross multiply
    631,798.80x = 947,558.64 × 182,422.08
  4. Step 4: Simplify right side
    631,798.80x = 172,855,618,030.77
  5. Step 5: Solve for x
    x = 172,855,618,030.77/631,798.80
  6. Step 6: Final answer
    x = 273,592.82

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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.