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Finding the Fourth Proportional to 848,898, 1,171,645.62 and 486,564.72

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Solution

The fourth proportional to 848,898, 1,171,645.62 and 486,564.72 is: 671,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,898 : 1,171,645.62 = 486,564.72 : x
  2. Step 2: Convert to fraction form
    848,898/1,171,645.62 = 486,564.72/x
  3. Step 3: Cross multiply
    848,898x = 1,171,645.62 × 486,564.72
  4. Step 4: Simplify right side
    848,898x = 570,081,423,034.53
  5. Step 5: Solve for x
    x = 570,081,423,034.53/848,898
  6. Step 6: Final answer
    x = 671,554.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.