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Finding the Fourth Proportional to 1,857,854, 2,787,249.36 and 528,158

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Solution

The fourth proportional to 1,857,854, 2,787,249.36 and 528,158 is: 792,370.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,854 : 2,787,249.36 = 528,158 : x
  2. Step 2: Convert to fraction form
    1,857,854/2,787,249.36 = 528,158/x
  3. Step 3: Cross multiply
    1,857,854x = 2,787,249.36 × 528,158
  4. Step 4: Simplify right side
    1,857,854x = 1,472,108,047,478.88
  5. Step 5: Solve for x
    x = 1,472,108,047,478.88/1,857,854
  6. Step 6: Final answer
    x = 792,370.15

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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.