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Finding the Fourth Proportional to 314,999.70, 472,499.55 and 202,806.60

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Solution

The fourth proportional to 314,999.70, 472,499.55 and 202,806.60 is: 304,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,999.70 : 472,499.55 = 202,806.60 : x
  2. Step 2: Convert to fraction form
    314,999.70/472,499.55 = 202,806.60/x
  3. Step 3: Cross multiply
    314,999.70x = 472,499.55 × 202,806.60
  4. Step 4: Simplify right side
    314,999.70x = 95,826,027,237.03
  5. Step 5: Solve for x
    x = 95,826,027,237.03/314,999.70
  6. Step 6: Final answer
    x = 304,209.90

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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.