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Finding the Fourth Proportional to 1,246,388.82, 1,868,835.03 and 571,624.80

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Solution

The fourth proportional to 1,246,388.82, 1,868,835.03 and 571,624.80 is: 857,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,388.82 : 1,868,835.03 = 571,624.80 : x
  2. Step 2: Convert to fraction form
    1,246,388.82/1,868,835.03 = 571,624.80/x
  3. Step 3: Cross multiply
    1,246,388.82x = 1,868,835.03 × 571,624.80
  4. Step 4: Simplify right side
    1,246,388.82x = 1,068,272,450,256.74
  5. Step 5: Solve for x
    x = 1,068,272,450,256.74/1,246,388.82
  6. Step 6: Final answer
    x = 857,094.06

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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.