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Finding the Fourth Proportional to 349,612.98, 484,293.18 and 342,527.10

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Solution

The fourth proportional to 349,612.98, 484,293.18 and 342,527.10 is: 474,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,612.98 : 484,293.18 = 342,527.10 : x
  2. Step 2: Convert to fraction form
    349,612.98/484,293.18 = 342,527.10/x
  3. Step 3: Cross multiply
    349,612.98x = 484,293.18 × 342,527.10
  4. Step 4: Simplify right side
    349,612.98x = 165,883,538,495.18
  5. Step 5: Solve for x
    x = 165,883,538,495.18/349,612.98
  6. Step 6: Final answer
    x = 474,477.63

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.