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Finding the Fourth Proportional to 610,269, 915,403.68 and 189,544.92

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Solution

The fourth proportional to 610,269, 915,403.68 and 189,544.92 is: 284,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,269 : 915,403.68 = 189,544.92 : x
  2. Step 2: Convert to fraction form
    610,269/915,403.68 = 189,544.92/x
  3. Step 3: Cross multiply
    610,269x = 915,403.68 × 189,544.92
  4. Step 4: Simplify right side
    610,269x = 173,510,117,293.31
  5. Step 5: Solve for x
    x = 173,510,117,293.31/610,269
  6. Step 6: Final answer
    x = 284,317.44

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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.