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Finding the Fourth Proportional to 570,974.22, 856,475.28 and 191,900.52

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Solution

The fourth proportional to 570,974.22, 856,475.28 and 191,900.52 is: 287,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,974.22 : 856,475.28 = 191,900.52 : x
  2. Step 2: Convert to fraction form
    570,974.22/856,475.28 = 191,900.52/x
  3. Step 3: Cross multiply
    570,974.22x = 856,475.28 × 191,900.52
  4. Step 4: Simplify right side
    570,974.22x = 164,358,051,599.15
  5. Step 5: Solve for x
    x = 164,358,051,599.15/570,974.22
  6. Step 6: Final answer
    x = 287,855.47

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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.