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Finding the Fourth Proportional to 614,899, 848,560.62 and 346,627

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Solution

The fourth proportional to 614,899, 848,560.62 and 346,627 is: 478,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,899 : 848,560.62 = 346,627 : x
  2. Step 2: Convert to fraction form
    614,899/848,560.62 = 346,627/x
  3. Step 3: Cross multiply
    614,899x = 848,560.62 × 346,627
  4. Step 4: Simplify right side
    614,899x = 294,134,022,028.74
  5. Step 5: Solve for x
    x = 294,134,022,028.74/614,899
  6. Step 6: Final answer
    x = 478,345.26

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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.