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Finding the Fourth Proportional to 657,339.16, 983,414.44 and 497,874.46

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Solution

The fourth proportional to 657,339.16, 983,414.44 and 497,874.46 is: 744,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,339.16 : 983,414.44 = 497,874.46 : x
  2. Step 2: Convert to fraction form
    657,339.16/983,414.44 = 497,874.46/x
  3. Step 3: Cross multiply
    657,339.16x = 983,414.44 × 497,874.46
  4. Step 4: Simplify right side
    657,339.16x = 489,616,933,271.20
  5. Step 5: Solve for x
    x = 489,616,933,271.20/657,339.16
  6. Step 6: Final answer
    x = 744,846.74

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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.