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Finding the Fourth Proportional to 544,809.90, 817,038.90 and 198,544.02

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Solution

The fourth proportional to 544,809.90, 817,038.90 and 198,544.02 is: 297,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,809.90 : 817,038.90 = 198,544.02 : x
  2. Step 2: Convert to fraction form
    544,809.90/817,038.90 = 198,544.02/x
  3. Step 3: Cross multiply
    544,809.90x = 817,038.90 × 198,544.02
  4. Step 4: Simplify right side
    544,809.90x = 162,218,187,702.38
  5. Step 5: Solve for x
    x = 162,218,187,702.38/544,809.90
  6. Step 6: Final answer
    x = 297,751.91

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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.