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Finding the Fourth Proportional to 648,170.28, 970,855.74 and 632,307.24

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Solution

The fourth proportional to 648,170.28, 970,855.74 and 632,307.24 is: 947,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,170.28 : 970,855.74 = 632,307.24 : x
  2. Step 2: Convert to fraction form
    648,170.28/970,855.74 = 632,307.24/x
  3. Step 3: Cross multiply
    648,170.28x = 970,855.74 × 632,307.24
  4. Step 4: Simplify right side
    648,170.28x = 613,879,113,397.56
  5. Step 5: Solve for x
    x = 613,879,113,397.56/648,170.28
  6. Step 6: Final answer
    x = 947,095.44

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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.