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Finding the Fourth Proportional to 292,483.37, 438,725.19 and 105,494.87

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Solution

The fourth proportional to 292,483.37, 438,725.19 and 105,494.87 is: 158,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,483.37 : 438,725.19 = 105,494.87 : x
  2. Step 2: Convert to fraction form
    292,483.37/438,725.19 = 105,494.87/x
  3. Step 3: Cross multiply
    292,483.37x = 438,725.19 × 105,494.87
  4. Step 4: Simplify right side
    292,483.37x = 46,283,258,377.19
  5. Step 5: Solve for x
    x = 46,283,258,377.19/292,483.37
  6. Step 6: Final answer
    x = 158,242.36

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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.