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Finding the Fourth Proportional to 788,576.32, 1,182,978.65 and 248,649.33

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Solution

The fourth proportional to 788,576.32, 1,182,978.65 and 248,649.33 is: 373,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,576.32 : 1,182,978.65 = 248,649.33 : x
  2. Step 2: Convert to fraction form
    788,576.32/1,182,978.65 = 248,649.33/x
  3. Step 3: Cross multiply
    788,576.32x = 1,182,978.65 × 248,649.33
  4. Step 4: Simplify right side
    788,576.32x = 294,146,848,726.80
  5. Step 5: Solve for x
    x = 294,146,848,726.80/788,576.32
  6. Step 6: Final answer
    x = 373,010.00

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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.