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Finding the Fourth Proportional to 434,362.80, 599,414.80 and 243,379.92

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Solution

The fourth proportional to 434,362.80, 599,414.80 and 243,379.92 is: 335,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,362.80 : 599,414.80 = 243,379.92 : x
  2. Step 2: Convert to fraction form
    434,362.80/599,414.80 = 243,379.92/x
  3. Step 3: Cross multiply
    434,362.80x = 599,414.80 × 243,379.92
  4. Step 4: Simplify right side
    434,362.80x = 145,885,526,070.82
  5. Step 5: Solve for x
    x = 145,885,526,070.82/434,362.80
  6. Step 6: Final answer
    x = 335,861.00

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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.