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Finding the Fourth Proportional to 570,055.95, 855,083.92 and 463,311.05

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Solution

The fourth proportional to 570,055.95, 855,083.92 and 463,311.05 is: 694,966.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,055.95 : 855,083.92 = 463,311.05 : x
  2. Step 2: Convert to fraction form
    570,055.95/855,083.92 = 463,311.05/x
  3. Step 3: Cross multiply
    570,055.95x = 855,083.92 × 463,311.05
  4. Step 4: Simplify right side
    570,055.95x = 396,169,823,379.62
  5. Step 5: Solve for x
    x = 396,169,823,379.62/570,055.95
  6. Step 6: Final answer
    x = 694,966.56

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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.