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Finding the Fourth Proportional to 1,168,118, 1,612,002.84 and 631,574

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Solution

The fourth proportional to 1,168,118, 1,612,002.84 and 631,574 is: 871,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,118 : 1,612,002.84 = 631,574 : x
  2. Step 2: Convert to fraction form
    1,168,118/1,612,002.84 = 631,574/x
  3. Step 3: Cross multiply
    1,168,118x = 1,612,002.84 × 631,574
  4. Step 4: Simplify right side
    1,168,118x = 1,018,099,081,670.16
  5. Step 5: Solve for x
    x = 1,018,099,081,670.16/1,168,118
  6. Step 6: Final answer
    x = 871,572.12

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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.