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Finding the Fourth Proportional to 495,179.93, 742,876.51 and 153,616.44

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Solution

The fourth proportional to 495,179.93, 742,876.51 and 153,616.44 is: 230,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,179.93 : 742,876.51 = 153,616.44 : x
  2. Step 2: Convert to fraction form
    495,179.93/742,876.51 = 153,616.44/x
  3. Step 3: Cross multiply
    495,179.93x = 742,876.51 × 153,616.44
  4. Step 4: Simplify right side
    495,179.93x = 114,118,044,825.82
  5. Step 5: Solve for x
    x = 114,118,044,825.82/495,179.93
  6. Step 6: Final answer
    x = 230,457.73

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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.