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Finding the Fourth Proportional to 445,093.08, 614,228.79 and 261,295.67

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Solution

The fourth proportional to 445,093.08, 614,228.79 and 261,295.67 is: 360,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,093.08 : 614,228.79 = 261,295.67 : x
  2. Step 2: Convert to fraction form
    445,093.08/614,228.79 = 261,295.67/x
  3. Step 3: Cross multiply
    445,093.08x = 614,228.79 × 261,295.67
  4. Step 4: Simplify right side
    445,093.08x = 160,495,323,216.34
  5. Step 5: Solve for x
    x = 160,495,323,216.34/445,093.08
  6. Step 6: Final answer
    x = 360,588.22

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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.