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Finding the Fourth Proportional to 593,679.80, 819,324.78 and 367,398.20

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Solution

The fourth proportional to 593,679.80, 819,324.78 and 367,398.20 is: 507,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,679.80 : 819,324.78 = 367,398.20 : x
  2. Step 2: Convert to fraction form
    593,679.80/819,324.78 = 367,398.20/x
  3. Step 3: Cross multiply
    593,679.80x = 819,324.78 × 367,398.20
  4. Step 4: Simplify right side
    593,679.80x = 301,018,449,387.40
  5. Step 5: Solve for x
    x = 301,018,449,387.40/593,679.80
  6. Step 6: Final answer
    x = 507,038.39

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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.