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Finding the Fourth Proportional to 352,886.02, 529,259.07 and 172,894.42

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Solution

The fourth proportional to 352,886.02, 529,259.07 and 172,894.42 is: 259,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,886.02 : 529,259.07 = 172,894.42 : x
  2. Step 2: Convert to fraction form
    352,886.02/529,259.07 = 172,894.42/x
  3. Step 3: Cross multiply
    352,886.02x = 529,259.07 × 172,894.42
  4. Step 4: Simplify right side
    352,886.02x = 91,505,939,937.39
  5. Step 5: Solve for x
    x = 91,505,939,937.39/352,886.02
  6. Step 6: Final answer
    x = 259,307.35

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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.