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Finding the Fourth Proportional to 593,668.80, 819,309.60 and 367,387.20

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Solution

The fourth proportional to 593,668.80, 819,309.60 and 367,387.20 is: 507,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,668.80 : 819,309.60 = 367,387.20 : x
  2. Step 2: Convert to fraction form
    593,668.80/819,309.60 = 367,387.20/x
  3. Step 3: Cross multiply
    593,668.80x = 819,309.60 × 367,387.20
  4. Step 4: Simplify right side
    593,668.80x = 301,003,859,877.12
  5. Step 5: Solve for x
    x = 301,003,859,877.12/593,668.80
  6. Step 6: Final answer
    x = 507,023.21

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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.