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Finding the Fourth Proportional to 983,369.54, 1,475,168.52 and 343,475.22

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Solution

The fourth proportional to 983,369.54, 1,475,168.52 and 343,475.22 is: 515,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,369.54 : 1,475,168.52 = 343,475.22 : x
  2. Step 2: Convert to fraction form
    983,369.54/1,475,168.52 = 343,475.22/x
  3. Step 3: Cross multiply
    983,369.54x = 1,475,168.52 × 343,475.22
  4. Step 4: Simplify right side
    983,369.54x = 506,683,831,944.07
  5. Step 5: Solve for x
    x = 506,683,831,944.07/983,369.54
  6. Step 6: Final answer
    x = 515,252.72

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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.