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Finding the Fourth Proportional to 614,883, 848,538.54 and 346,611

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Solution

The fourth proportional to 614,883, 848,538.54 and 346,611 is: 478,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,883 : 848,538.54 = 346,611 : x
  2. Step 2: Convert to fraction form
    614,883/848,538.54 = 346,611/x
  3. Step 3: Cross multiply
    614,883x = 848,538.54 × 346,611
  4. Step 4: Simplify right side
    614,883x = 294,112,791,887.94
  5. Step 5: Solve for x
    x = 294,112,791,887.94/614,883
  6. Step 6: Final answer
    x = 478,323.18

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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.