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Finding the Fourth Proportional to 593,397.99, 886,839.19 and 433,809.90

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Solution

The fourth proportional to 593,397.99, 886,839.19 and 433,809.90 is: 648,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,397.99 : 886,839.19 = 433,809.90 : x
  2. Step 2: Convert to fraction form
    593,397.99/886,839.19 = 433,809.90/x
  3. Step 3: Cross multiply
    593,397.99x = 886,839.19 × 433,809.90
  4. Step 4: Simplify right side
    593,397.99x = 384,719,620,329.98
  5. Step 5: Solve for x
    x = 384,719,620,329.98/593,397.99
  6. Step 6: Final answer
    x = 648,333.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.