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Finding the Fourth Proportional to 614,881.64, 848,529.06 and 346,609.64

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Solution

The fourth proportional to 614,881.64, 848,529.06 and 346,609.64 is: 478,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,881.64 : 848,529.06 = 346,609.64 : x
  2. Step 2: Convert to fraction form
    614,881.64/848,529.06 = 346,609.64/x
  3. Step 3: Cross multiply
    614,881.64x = 848,529.06 × 346,609.64
  4. Step 4: Simplify right side
    614,881.64x = 294,108,352,016.14
  5. Step 5: Solve for x
    x = 294,108,352,016.14/614,881.64
  6. Step 6: Final answer
    x = 478,317.02

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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.