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Finding the Fourth Proportional to 583,428.64, 873,975.60 and 463,687.64

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Solution

The fourth proportional to 583,428.64, 873,975.60 and 463,687.64 is: 694,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,428.64 : 873,975.60 = 463,687.64 : x
  2. Step 2: Convert to fraction form
    583,428.64/873,975.60 = 463,687.64/x
  3. Step 3: Cross multiply
    583,428.64x = 873,975.60 × 463,687.64
  4. Step 4: Simplify right side
    583,428.64x = 405,251,683,381.58
  5. Step 5: Solve for x
    x = 405,251,683,381.58/583,428.64
  6. Step 6: Final answer
    x = 694,603.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.