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Finding the Fourth Proportional to 986,419.44, 1,479,714.48 and 346,668.48

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Solution

The fourth proportional to 986,419.44, 1,479,714.48 and 346,668.48 is: 520,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,419.44 : 1,479,714.48 = 346,668.48 : x
  2. Step 2: Convert to fraction form
    986,419.44/1,479,714.48 = 346,668.48/x
  3. Step 3: Cross multiply
    986,419.44x = 1,479,714.48 × 346,668.48
  4. Step 4: Simplify right side
    986,419.44x = 512,970,369,615.59
  5. Step 5: Solve for x
    x = 512,970,369,615.59/986,419.44
  6. Step 6: Final answer
    x = 520,032.70

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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.