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Finding the Fourth Proportional to 495,699.99, 743,566.03 and 235,981.18

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Solution

The fourth proportional to 495,699.99, 743,566.03 and 235,981.18 is: 353,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,699.99 : 743,566.03 = 235,981.18 : x
  2. Step 2: Convert to fraction form
    495,699.99/743,566.03 = 235,981.18/x
  3. Step 3: Cross multiply
    495,699.99x = 743,566.03 × 235,981.18
  4. Step 4: Simplify right side
    495,699.99x = 175,467,589,506.82
  5. Step 5: Solve for x
    x = 175,467,589,506.82/495,699.99
  6. Step 6: Final answer
    x = 353,979.41

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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.