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Finding the Fourth Proportional to 362,698.20, 544,047.30 and 309,043.80

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Solution

The fourth proportional to 362,698.20, 544,047.30 and 309,043.80 is: 463,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,698.20 : 544,047.30 = 309,043.80 : x
  2. Step 2: Convert to fraction form
    362,698.20/544,047.30 = 309,043.80/x
  3. Step 3: Cross multiply
    362,698.20x = 544,047.30 × 309,043.80
  4. Step 4: Simplify right side
    362,698.20x = 168,134,444,971.74
  5. Step 5: Solve for x
    x = 168,134,444,971.74/362,698.20
  6. Step 6: Final answer
    x = 463,565.70

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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.