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Finding the Fourth Proportional to 614,884.80, 848,412 and 373,294.56

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Solution

The fourth proportional to 614,884.80, 848,412 and 373,294.56 is: 515,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,884.80 : 848,412 = 373,294.56 : x
  2. Step 2: Convert to fraction form
    614,884.80/848,412 = 373,294.56/x
  3. Step 3: Cross multiply
    614,884.80x = 848,412 × 373,294.56
  4. Step 4: Simplify right side
    614,884.80x = 316,707,584,238.72
  5. Step 5: Solve for x
    x = 316,707,584,238.72/614,884.80
  6. Step 6: Final answer
    x = 515,068.16

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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.