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Finding the Fourth Proportional to 372,798.45, 514,467.72 and 203,032.44

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Solution

The fourth proportional to 372,798.45, 514,467.72 and 203,032.44 is: 280,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,798.45 : 514,467.72 = 203,032.44 : x
  2. Step 2: Convert to fraction form
    372,798.45/514,467.72 = 203,032.44/x
  3. Step 3: Cross multiply
    372,798.45x = 514,467.72 × 203,032.44
  4. Step 4: Simplify right side
    372,798.45x = 104,453,636,492.84
  5. Step 5: Solve for x
    x = 104,453,636,492.84/372,798.45
  6. Step 6: Final answer
    x = 280,187.96

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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.