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Finding the Fourth Proportional to 670,704.60, 940,230.60 and 670,704.60

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Solution

The fourth proportional to 670,704.60, 940,230.60 and 670,704.60 is: 940,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,704.60 : 940,230.60 = 670,704.60 : x
  2. Step 2: Convert to fraction form
    670,704.60/940,230.60 = 670,704.60/x
  3. Step 3: Cross multiply
    670,704.60x = 940,230.60 × 670,704.60
  4. Step 4: Simplify right side
    670,704.60x = 630,616,988,480.76
  5. Step 5: Solve for x
    x = 630,616,988,480.76/670,704.60
  6. Step 6: Final answer
    x = 940,230.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.