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Finding the Fourth Proportional to 1,048,678, 1,573,022.76 and 260,710

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Solution

The fourth proportional to 1,048,678, 1,573,022.76 and 260,710 is: 391,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,678 : 1,573,022.76 = 260,710 : x
  2. Step 2: Convert to fraction form
    1,048,678/1,573,022.76 = 260,710/x
  3. Step 3: Cross multiply
    1,048,678x = 1,573,022.76 × 260,710
  4. Step 4: Simplify right side
    1,048,678x = 410,102,763,759.60
  5. Step 5: Solve for x
    x = 410,102,763,759.60/1,048,678
  6. Step 6: Final answer
    x = 391,066.43

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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.