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Finding the Fourth Proportional to 1,569,891, 2,355,187.68 and 572,619

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Solution

The fourth proportional to 1,569,891, 2,355,187.68 and 572,619 is: 859,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,891 : 2,355,187.68 = 572,619 : x
  2. Step 2: Convert to fraction form
    1,569,891/2,355,187.68 = 572,619/x
  3. Step 3: Cross multiply
    1,569,891x = 2,355,187.68 × 572,619
  4. Step 4: Simplify right side
    1,569,891x = 1,348,625,214,133.92
  5. Step 5: Solve for x
    x = 1,348,625,214,133.92/1,569,891
  6. Step 6: Final answer
    x = 859,056.59

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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.