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Finding the Fourth Proportional to 614,913, 848,579.96 and 346,641

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Solution

The fourth proportional to 614,913, 848,579.96 and 346,641 is: 478,364.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,913 : 848,579.96 = 346,641 : x
  2. Step 2: Convert to fraction form
    614,913/848,579.96 = 346,641/x
  3. Step 3: Cross multiply
    614,913x = 848,579.96 × 346,641
  4. Step 4: Simplify right side
    614,913x = 294,152,605,914.36
  5. Step 5: Solve for x
    x = 294,152,605,914.36/614,913
  6. Step 6: Final answer
    x = 478,364.59

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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.