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Finding the Fourth Proportional to 625,424.90, 938,312.30 and 246,111.62

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Solution

The fourth proportional to 625,424.90, 938,312.30 and 246,111.62 is: 369,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,424.90 : 938,312.30 = 246,111.62 : x
  2. Step 2: Convert to fraction form
    625,424.90/938,312.30 = 246,111.62/x
  3. Step 3: Cross multiply
    625,424.90x = 938,312.30 × 246,111.62
  4. Step 4: Simplify right side
    625,424.90x = 230,929,556,142.64
  5. Step 5: Solve for x
    x = 230,929,556,142.64/625,424.90
  6. Step 6: Final answer
    x = 369,236.27

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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.