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Finding the Fourth Proportional to 1,857,751, 2,787,094.68 and 528,055

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Solution

The fourth proportional to 1,857,751, 2,787,094.68 and 528,055 is: 792,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,751 : 2,787,094.68 = 528,055 : x
  2. Step 2: Convert to fraction form
    1,857,751/2,787,094.68 = 528,055/x
  3. Step 3: Cross multiply
    1,857,751x = 2,787,094.68 × 528,055
  4. Step 4: Simplify right side
    1,857,751x = 1,471,739,281,247.40
  5. Step 5: Solve for x
    x = 1,471,739,281,247.40/1,857,751
  6. Step 6: Final answer
    x = 792,215.58

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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.