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Finding the Fourth Proportional to 373,004.84, 559,995.02 and 221,478.60

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Solution

The fourth proportional to 373,004.84, 559,995.02 and 221,478.60 is: 332,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,004.84 : 559,995.02 = 221,478.60 : x
  2. Step 2: Convert to fraction form
    373,004.84/559,995.02 = 221,478.60/x
  3. Step 3: Cross multiply
    373,004.84x = 559,995.02 × 221,478.60
  4. Step 4: Simplify right side
    373,004.84x = 124,026,913,036.57
  5. Step 5: Solve for x
    x = 124,026,913,036.57/373,004.84
  6. Step 6: Final answer
    x = 332,507.52

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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.