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Finding the Fourth Proportional to 620,025.78, 929,802.60 and 367,377.57

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Solution

The fourth proportional to 620,025.78, 929,802.60 and 367,377.57 is: 550,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,025.78 : 929,802.60 = 367,377.57 : x
  2. Step 2: Convert to fraction form
    620,025.78/929,802.60 = 367,377.57/x
  3. Step 3: Cross multiply
    620,025.78x = 929,802.60 × 367,377.57
  4. Step 4: Simplify right side
    620,025.78x = 341,588,616,037.11
  5. Step 5: Solve for x
    x = 341,588,616,037.11/620,025.78
  6. Step 6: Final answer
    x = 550,926.47

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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.