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Finding the Fourth Proportional to 529,886.15, 730,872.37 and 348,540.11

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Solution

The fourth proportional to 529,886.15, 730,872.37 and 348,540.11 is: 480,741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,886.15 : 730,872.37 = 348,540.11 : x
  2. Step 2: Convert to fraction form
    529,886.15/730,872.37 = 348,540.11/x
  3. Step 3: Cross multiply
    529,886.15x = 730,872.37 × 348,540.11
  4. Step 4: Simplify right side
    529,886.15x = 254,738,336,235.76
  5. Step 5: Solve for x
    x = 254,738,336,235.76/529,886.15
  6. Step 6: Final answer
    x = 480,741.64

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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.