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Finding the Fourth Proportional to 455,491.60, 683,237.40 and 160,003.60

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Solution

The fourth proportional to 455,491.60, 683,237.40 and 160,003.60 is: 240,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,491.60 : 683,237.40 = 160,003.60 : x
  2. Step 2: Convert to fraction form
    455,491.60/683,237.40 = 160,003.60/x
  3. Step 3: Cross multiply
    455,491.60x = 683,237.40 × 160,003.60
  4. Step 4: Simplify right side
    455,491.60x = 109,320,443,654.64
  5. Step 5: Solve for x
    x = 109,320,443,654.64/455,491.60
  6. Step 6: Final answer
    x = 240,005.40

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Similar ratio
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1.5x scale

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.