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Finding the Fourth Proportional to 455,614.10, 683,421.15 and 367,040.60

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Solution

The fourth proportional to 455,614.10, 683,421.15 and 367,040.60 is: 550,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,614.10 : 683,421.15 = 367,040.60 : x
  2. Step 2: Convert to fraction form
    455,614.10/683,421.15 = 367,040.60/x
  3. Step 3: Cross multiply
    455,614.10x = 683,421.15 × 367,040.60
  4. Step 4: Simplify right side
    455,614.10x = 250,843,308,948.69
  5. Step 5: Solve for x
    x = 250,843,308,948.69/455,614.10
  6. Step 6: Final answer
    x = 550,560.90

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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.