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Finding the Fourth Proportional to 833,793.80, 1,250,442.59 and 354,014.51

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Solution

The fourth proportional to 833,793.80, 1,250,442.59 and 354,014.51 is: 530,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,793.80 : 1,250,442.59 = 354,014.51 : x
  2. Step 2: Convert to fraction form
    833,793.80/1,250,442.59 = 354,014.51/x
  3. Step 3: Cross multiply
    833,793.80x = 1,250,442.59 × 354,014.51
  4. Step 4: Simplify right side
    833,793.80x = 442,674,812,759.70
  5. Step 5: Solve for x
    x = 442,674,812,759.70/833,793.80
  6. Step 6: Final answer
    x = 530,916.42

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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.