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Finding the Fourth Proportional to 648,002.60, 970,254.30 and 648,002.60

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Solution

The fourth proportional to 648,002.60, 970,254.30 and 648,002.60 is: 970,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,002.60 : 970,254.30 = 648,002.60 : x
  2. Step 2: Convert to fraction form
    648,002.60/970,254.30 = 648,002.60/x
  3. Step 3: Cross multiply
    648,002.60x = 970,254.30 × 648,002.60
  4. Step 4: Simplify right side
    648,002.60x = 628,727,309,061.18
  5. Step 5: Solve for x
    x = 628,727,309,061.18/648,002.60
  6. Step 6: Final answer
    x = 970,254.30

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Double scale
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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.