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Finding the Fourth Proportional to 526,362.30, 789,461.10 and 171,373.93

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Solution

The fourth proportional to 526,362.30, 789,461.10 and 171,373.93 is: 257,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,362.30 : 789,461.10 = 171,373.93 : x
  2. Step 2: Convert to fraction form
    526,362.30/789,461.10 = 171,373.93/x
  3. Step 3: Cross multiply
    526,362.30x = 789,461.10 × 171,373.93
  4. Step 4: Simplify right side
    526,362.30x = 135,293,051,633.30
  5. Step 5: Solve for x
    x = 135,293,051,633.30/526,362.30
  6. Step 6: Final answer
    x = 257,034.08

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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.