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Finding the Fourth Proportional to 435,513.94, 653,016.57 and 168,962.98

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Solution

The fourth proportional to 435,513.94, 653,016.57 and 168,962.98 is: 253,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,513.94 : 653,016.57 = 168,962.98 : x
  2. Step 2: Convert to fraction form
    435,513.94/653,016.57 = 168,962.98/x
  3. Step 3: Cross multiply
    435,513.94x = 653,016.57 × 168,962.98
  4. Step 4: Simplify right side
    435,513.94x = 110,335,625,656.58
  5. Step 5: Solve for x
    x = 110,335,625,656.58/435,513.94
  6. Step 6: Final answer
    x = 253,345.80

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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.