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Finding the Fourth Proportional to 526,397.58, 789,702.98 and 171,316.26

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Solution

The fourth proportional to 526,397.58, 789,702.98 and 171,316.26 is: 257,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,397.58 : 789,702.98 = 171,316.26 : x
  2. Step 2: Convert to fraction form
    526,397.58/789,702.98 = 171,316.26/x
  3. Step 3: Cross multiply
    526,397.58x = 789,702.98 × 171,316.26
  4. Step 4: Simplify right side
    526,397.58x = 135,288,960,187.87
  5. Step 5: Solve for x
    x = 135,288,960,187.87/526,397.58
  6. Step 6: Final answer
    x = 257,009.08

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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.