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Finding the Fourth Proportional to 950,051.19, 1,311,021.54 and 520,248.39

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Solution

The fourth proportional to 950,051.19, 1,311,021.54 and 520,248.39 is: 717,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,051.19 : 1,311,021.54 = 520,248.39 : x
  2. Step 2: Convert to fraction form
    950,051.19/1,311,021.54 = 520,248.39/x
  3. Step 3: Cross multiply
    950,051.19x = 1,311,021.54 × 520,248.39
  4. Step 4: Simplify right side
    950,051.19x = 682,056,845,440.32
  5. Step 5: Solve for x
    x = 682,056,845,440.32/950,051.19
  6. Step 6: Final answer
    x = 717,915.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.