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Finding the Fourth Proportional to 455,647.40, 683,471.10 and 367,073.90

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Solution

The fourth proportional to 455,647.40, 683,471.10 and 367,073.90 is: 550,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,647.40 : 683,471.10 = 367,073.90 : x
  2. Step 2: Convert to fraction form
    455,647.40/683,471.10 = 367,073.90/x
  3. Step 3: Cross multiply
    455,647.40x = 683,471.10 × 367,073.90
  4. Step 4: Simplify right side
    455,647.40x = 250,884,402,214.29
  5. Step 5: Solve for x
    x = 250,884,402,214.29/455,647.40
  6. Step 6: Final answer
    x = 550,610.85

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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.