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Finding the Fourth Proportional to 1,369,572, 2,055,291.12 and 483,108

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Solution

The fourth proportional to 1,369,572, 2,055,291.12 and 483,108 is: 724,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,572 : 2,055,291.12 = 483,108 : x
  2. Step 2: Convert to fraction form
    1,369,572/2,055,291.12 = 483,108/x
  3. Step 3: Cross multiply
    1,369,572x = 2,055,291.12 × 483,108
  4. Step 4: Simplify right side
    1,369,572x = 992,927,582,400.96
  5. Step 5: Solve for x
    x = 992,927,582,400.96/1,369,572
  6. Step 6: Final answer
    x = 724,991.15

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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.