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Finding the Fourth Proportional to 372,893.63, 514,590.58 and 203,127.76

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Solution

The fourth proportional to 372,893.63, 514,590.58 and 203,127.76 is: 280,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,893.63 : 514,590.58 = 203,127.76 : x
  2. Step 2: Convert to fraction form
    372,893.63/514,590.58 = 203,127.76/x
  3. Step 3: Cross multiply
    372,893.63x = 514,590.58 × 203,127.76
  4. Step 4: Simplify right side
    372,893.63x = 104,527,631,832.50
  5. Step 5: Solve for x
    x = 104,527,631,832.50/372,893.63
  6. Step 6: Final answer
    x = 280,314.88

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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.