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Finding the Fourth Proportional to 401,530.54, 601,112.48 and 351,707.95

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Solution

The fourth proportional to 401,530.54, 601,112.48 and 351,707.95 is: 526,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,530.54 : 601,112.48 = 351,707.95 : x
  2. Step 2: Convert to fraction form
    401,530.54/601,112.48 = 351,707.95/x
  3. Step 3: Cross multiply
    401,530.54x = 601,112.48 × 351,707.95
  4. Step 4: Simplify right side
    401,530.54x = 211,416,038,060.22
  5. Step 5: Solve for x
    x = 211,416,038,060.22/401,530.54
  6. Step 6: Final answer
    x = 526,525.42

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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.