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Finding the Fourth Proportional to 495,212.16, 742,854.72 and 179,670.72

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Solution

The fourth proportional to 495,212.16, 742,854.72 and 179,670.72 is: 269,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,212.16 : 742,854.72 = 179,670.72 : x
  2. Step 2: Convert to fraction form
    495,212.16/742,854.72 = 179,670.72/x
  3. Step 3: Cross multiply
    495,212.16x = 742,854.72 × 179,670.72
  4. Step 4: Simplify right side
    495,212.16x = 133,469,242,397.80
  5. Step 5: Solve for x
    x = 133,469,242,397.80/495,212.16
  6. Step 6: Final answer
    x = 269,519.32

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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.