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Finding the Fourth Proportional to 455,862.35, 683,822.70 and 175,379.60

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Solution

The fourth proportional to 455,862.35, 683,822.70 and 175,379.60 is: 263,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,862.35 : 683,822.70 = 175,379.60 : x
  2. Step 2: Convert to fraction form
    455,862.35/683,822.70 = 175,379.60/x
  3. Step 3: Cross multiply
    455,862.35x = 683,822.70 × 175,379.60
  4. Step 4: Simplify right side
    455,862.35x = 119,928,548,177.81
  5. Step 5: Solve for x
    x = 119,928,548,177.81/455,862.35
  6. Step 6: Final answer
    x = 263,080.62

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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.