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Finding the Fourth Proportional to 532,870.76, 799,699.80 and 252,388

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Solution

The fourth proportional to 532,870.76, 799,699.80 and 252,388 is: 378,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,870.76 : 799,699.80 = 252,388 : x
  2. Step 2: Convert to fraction form
    532,870.76/799,699.80 = 252,388/x
  3. Step 3: Cross multiply
    532,870.76x = 799,699.80 × 252,388
  4. Step 4: Simplify right side
    532,870.76x = 201,834,633,122.40
  5. Step 5: Solve for x
    x = 201,834,633,122.40/532,870.76
  6. Step 6: Final answer
    x = 378,768.45

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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.