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Finding the Fourth Proportional to 351,201.40, 526,802.10 and 345,952.60

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Solution

The fourth proportional to 351,201.40, 526,802.10 and 345,952.60 is: 518,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,201.40 : 526,802.10 = 345,952.60 : x
  2. Step 2: Convert to fraction form
    351,201.40/526,802.10 = 345,952.60/x
  3. Step 3: Cross multiply
    351,201.40x = 526,802.10 × 345,952.60
  4. Step 4: Simplify right side
    351,201.40x = 182,248,556,180.46
  5. Step 5: Solve for x
    x = 182,248,556,180.46/351,201.40
  6. Step 6: Final answer
    x = 518,928.90

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1.5x scale

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.