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Finding the Fourth Proportional to 572,851.52, 859,671.74 and 198,874.52

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Solution

The fourth proportional to 572,851.52, 859,671.74 and 198,874.52 is: 298,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,851.52 : 859,671.74 = 198,874.52 : x
  2. Step 2: Convert to fraction form
    572,851.52/859,671.74 = 198,874.52/x
  3. Step 3: Cross multiply
    572,851.52x = 859,671.74 × 198,874.52
  4. Step 4: Simplify right side
    572,851.52x = 170,966,804,650.07
  5. Step 5: Solve for x
    x = 170,966,804,650.07/572,851.52
  6. Step 6: Final answer
    x = 298,448.72

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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.