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Finding the Fourth Proportional to 526,303.84, 789,572.40 and 245,668

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Solution

The fourth proportional to 526,303.84, 789,572.40 and 245,668 is: 368,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,303.84 : 789,572.40 = 245,668 : x
  2. Step 2: Convert to fraction form
    526,303.84/789,572.40 = 245,668/x
  3. Step 3: Cross multiply
    526,303.84x = 789,572.40 × 245,668
  4. Step 4: Simplify right side
    526,303.84x = 193,972,672,363.20
  5. Step 5: Solve for x
    x = 193,972,672,363.20/526,303.84
  6. Step 6: Final answer
    x = 368,556.45

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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.