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Finding the Fourth Proportional to 536,371.16, 740,256.45 and 321,504.08

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Solution

The fourth proportional to 536,371.16, 740,256.45 and 321,504.08 is: 443,714.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,371.16 : 740,256.45 = 321,504.08 : x
  2. Step 2: Convert to fraction form
    536,371.16/740,256.45 = 321,504.08/x
  3. Step 3: Cross multiply
    536,371.16x = 740,256.45 × 321,504.08
  4. Step 4: Simplify right side
    536,371.16x = 237,995,468,921.32
  5. Step 5: Solve for x
    x = 237,995,468,921.32/536,371.16
  6. Step 6: Final answer
    x = 443,714.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.