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Finding the Fourth Proportional to 626,967.30, 940,325.22 and 306,981.30

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Solution

The fourth proportional to 626,967.30, 940,325.22 and 306,981.30 is: 460,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,967.30 : 940,325.22 = 306,981.30 : x
  2. Step 2: Convert to fraction form
    626,967.30/940,325.22 = 306,981.30/x
  3. Step 3: Cross multiply
    626,967.30x = 940,325.22 × 306,981.30
  4. Step 4: Simplify right side
    626,967.30x = 288,662,258,458.39
  5. Step 5: Solve for x
    x = 288,662,258,458.39/626,967.30
  6. Step 6: Final answer
    x = 460,410.39

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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.