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Finding the Fourth Proportional to 292,580.73, 438,746.49 and 114,963.15

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Solution

The fourth proportional to 292,580.73, 438,746.49 and 114,963.15 is: 172,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,580.73 : 438,746.49 = 114,963.15 : x
  2. Step 2: Convert to fraction form
    292,580.73/438,746.49 = 114,963.15/x
  3. Step 3: Cross multiply
    292,580.73x = 438,746.49 × 114,963.15
  4. Step 4: Simplify right side
    292,580.73x = 50,439,678,541.84
  5. Step 5: Solve for x
    x = 50,439,678,541.84/292,580.73
  6. Step 6: Final answer
    x = 172,395.76

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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.