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Finding the Fourth Proportional to 495,580.90, 743,420.34 and 158,536.92

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Solution

The fourth proportional to 495,580.90, 743,420.34 and 158,536.92 is: 237,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,580.90 : 743,420.34 = 158,536.92 : x
  2. Step 2: Convert to fraction form
    495,580.90/743,420.34 = 158,536.92/x
  3. Step 3: Cross multiply
    495,580.90x = 743,420.34 × 158,536.92
  4. Step 4: Simplify right side
    495,580.90x = 117,859,570,968.95
  5. Step 5: Solve for x
    x = 117,859,570,968.95/495,580.90
  6. Step 6: Final answer
    x = 237,821.05

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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.