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Finding the Fourth Proportional to 351,333.20, 526,999.80 and 102,040.40

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Solution

The fourth proportional to 351,333.20, 526,999.80 and 102,040.40 is: 153,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,333.20 : 526,999.80 = 102,040.40 : x
  2. Step 2: Convert to fraction form
    351,333.20/526,999.80 = 102,040.40/x
  3. Step 3: Cross multiply
    351,333.20x = 526,999.80 × 102,040.40
  4. Step 4: Simplify right side
    351,333.20x = 53,775,270,391.92
  5. Step 5: Solve for x
    x = 53,775,270,391.92/351,333.20
  6. Step 6: Final answer
    x = 153,060.60

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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.