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Finding the Fourth Proportional to 293,811.94, 405,460.65 and 159,675.94

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Solution

The fourth proportional to 293,811.94, 405,460.65 and 159,675.94 is: 220,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,811.94 : 405,460.65 = 159,675.94 : x
  2. Step 2: Convert to fraction form
    293,811.94/405,460.65 = 159,675.94/x
  3. Step 3: Cross multiply
    293,811.94x = 405,460.65 × 159,675.94
  4. Step 4: Simplify right side
    293,811.94x = 64,742,310,421.76
  5. Step 5: Solve for x
    x = 64,742,310,421.76/293,811.94
  6. Step 6: Final answer
    x = 220,352.89

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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.