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Finding the Fourth Proportional to 495,635.63, 683,978.99 and 269,281.13

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Solution

The fourth proportional to 495,635.63, 683,978.99 and 269,281.13 is: 371,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,635.63 : 683,978.99 = 269,281.13 : x
  2. Step 2: Convert to fraction form
    495,635.63/683,978.99 = 269,281.13/x
  3. Step 3: Cross multiply
    495,635.63x = 683,978.99 × 269,281.13
  4. Step 4: Simplify right side
    495,635.63x = 184,182,630,557.16
  5. Step 5: Solve for x
    x = 184,182,630,557.16/495,635.63
  6. Step 6: Final answer
    x = 371,608.94

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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.