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Finding the Fourth Proportional to 762,605.85, 1,051,958.84 and 475,627.71

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Solution

The fourth proportional to 762,605.85, 1,051,958.84 and 475,627.71 is: 656,093.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,605.85 : 1,051,958.84 = 475,627.71 : x
  2. Step 2: Convert to fraction form
    762,605.85/1,051,958.84 = 475,627.71/x
  3. Step 3: Cross multiply
    762,605.85x = 1,051,958.84 × 475,627.71
  4. Step 4: Simplify right side
    762,605.85x = 500,340,771,705.32
  5. Step 5: Solve for x
    x = 500,340,771,705.32/762,605.85
  6. Step 6: Final answer
    x = 656,093.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.