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Finding the Fourth Proportional to 395,078.61, 591,454.58 and 244,836.03

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Solution

The fourth proportional to 395,078.61, 591,454.58 and 244,836.03 is: 366,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,078.61 : 591,454.58 = 244,836.03 : x
  2. Step 2: Convert to fraction form
    395,078.61/591,454.58 = 244,836.03/x
  3. Step 3: Cross multiply
    395,078.61x = 591,454.58 × 244,836.03
  4. Step 4: Simplify right side
    395,078.61x = 144,809,390,068.34
  5. Step 5: Solve for x
    x = 144,809,390,068.34/395,078.61
  6. Step 6: Final answer
    x = 366,533.11

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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.