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Finding the Fourth Proportional to 369,775.88, 554,665.43 and 117,057.60

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Solution

The fourth proportional to 369,775.88, 554,665.43 and 117,057.60 is: 175,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,775.88 : 554,665.43 = 117,057.60 : x
  2. Step 2: Convert to fraction form
    369,775.88/554,665.43 = 117,057.60/x
  3. Step 3: Cross multiply
    369,775.88x = 554,665.43 × 117,057.60
  4. Step 4: Simplify right side
    369,775.88x = 64,927,803,453.48
  5. Step 5: Solve for x
    x = 64,927,803,453.48/369,775.88
  6. Step 6: Final answer
    x = 175,586.91

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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.