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Finding the Fourth Proportional to 848,342, 1,170,719.16 and 466,360.40

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Solution

The fourth proportional to 848,342, 1,170,719.16 and 466,360.40 is: 643,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,342 : 1,170,719.16 = 466,360.40 : x
  2. Step 2: Convert to fraction form
    848,342/1,170,719.16 = 466,360.40/x
  3. Step 3: Cross multiply
    848,342x = 1,170,719.16 × 466,360.40
  4. Step 4: Simplify right side
    848,342x = 545,977,055,745.26
  5. Step 5: Solve for x
    x = 545,977,055,745.26/848,342
  6. Step 6: Final answer
    x = 643,581.31

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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.