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Finding the Fourth Proportional to 293,312.55, 439,968.83 and 93,647.55

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Solution

The fourth proportional to 293,312.55, 439,968.83 and 93,647.55 is: 140,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,312.55 : 439,968.83 = 93,647.55 : x
  2. Step 2: Convert to fraction form
    293,312.55/439,968.83 = 93,647.55/x
  3. Step 3: Cross multiply
    293,312.55x = 439,968.83 × 93,647.55
  4. Step 4: Simplify right side
    293,312.55x = 41,202,002,537.63
  5. Step 5: Solve for x
    x = 41,202,002,537.63/293,312.55
  6. Step 6: Final answer
    x = 140,471.33

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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.