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Finding the Fourth Proportional to 1,746,236.34, 2,619,355.19 and 785,569.82

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Solution

The fourth proportional to 1,746,236.34, 2,619,355.19 and 785,569.82 is: 1,178,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,236.34 : 2,619,355.19 = 785,569.82 : x
  2. Step 2: Convert to fraction form
    1,746,236.34/2,619,355.19 = 785,569.82/x
  3. Step 3: Cross multiply
    1,746,236.34x = 2,619,355.19 × 785,569.82
  4. Step 4: Simplify right side
    1,746,236.34x = 2,057,686,368,099.74
  5. Step 5: Solve for x
    x = 2,057,686,368,099.74/1,746,236.34
  6. Step 6: Final answer
    x = 1,178,355.03

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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.