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Finding the Fourth Proportional to 645,881.38, 968,888.13 and 246,858.01

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Solution

The fourth proportional to 645,881.38, 968,888.13 and 246,858.01 is: 370,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,881.38 : 968,888.13 = 246,858.01 : x
  2. Step 2: Convert to fraction form
    645,881.38/968,888.13 = 246,858.01/x
  3. Step 3: Cross multiply
    645,881.38x = 968,888.13 × 246,858.01
  4. Step 4: Simplify right side
    645,881.38x = 239,177,795,684.42
  5. Step 5: Solve for x
    x = 239,177,795,684.42/645,881.38
  6. Step 6: Final answer
    x = 370,312.26

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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.