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Finding the Fourth Proportional to 1,168,121, 1,612,006.98 and 631,577

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Solution

The fourth proportional to 1,168,121, 1,612,006.98 and 631,577 is: 871,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,121 : 1,612,006.98 = 631,577 : x
  2. Step 2: Convert to fraction form
    1,168,121/1,612,006.98 = 631,577/x
  3. Step 3: Cross multiply
    1,168,121x = 1,612,006.98 × 631,577
  4. Step 4: Simplify right side
    1,168,121x = 1,018,106,532,407.46
  5. Step 5: Solve for x
    x = 1,018,106,532,407.46/1,168,121
  6. Step 6: Final answer
    x = 871,576.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.