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Finding the Fourth Proportional to 1,048,850, 1,573,280.76 and 260,882

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Solution

The fourth proportional to 1,048,850, 1,573,280.76 and 260,882 is: 391,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,850 : 1,573,280.76 = 260,882 : x
  2. Step 2: Convert to fraction form
    1,048,850/1,573,280.76 = 260,882/x
  3. Step 3: Cross multiply
    1,048,850x = 1,573,280.76 × 260,882
  4. Step 4: Simplify right side
    1,048,850x = 410,440,631,230.32
  5. Step 5: Solve for x
    x = 410,440,631,230.32/1,048,850
  6. Step 6: Final answer
    x = 391,324.43

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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.