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Finding the Fourth Proportional to 3,762,312.09, 5,644,963.55 and 1,203,921.22

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Solution

The fourth proportional to 3,762,312.09, 5,644,963.55 and 1,203,921.22 is: 1,806,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,762,312.09 : 5,644,963.55 = 1,203,921.22 : x
  2. Step 2: Convert to fraction form
    3,762,312.09/5,644,963.55 = 1,203,921.22/x
  3. Step 3: Cross multiply
    3,762,312.09x = 5,644,963.55 × 1,203,921.22
  4. Step 4: Simplify right side
    3,762,312.09x = 6,796,091,403,971.53
  5. Step 5: Solve for x
    x = 6,796,091,403,971.53/3,762,312.09
  6. Step 6: Final answer
    x = 1,806,360.36

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Double scale
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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.