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Finding the Fourth Proportional to 493,971.40, 740,950.62 and 119,993.32

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Solution

The fourth proportional to 493,971.40, 740,950.62 and 119,993.32 is: 179,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,971.40 : 740,950.62 = 119,993.32 : x
  2. Step 2: Convert to fraction form
    493,971.40/740,950.62 = 119,993.32/x
  3. Step 3: Cross multiply
    493,971.40x = 740,950.62 × 119,993.32
  4. Step 4: Simplify right side
    493,971.40x = 88,909,124,849.86
  5. Step 5: Solve for x
    x = 88,909,124,849.86/493,971.40
  6. Step 6: Final answer
    x = 179,988.41

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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.