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Finding the Fourth Proportional to 571,755.98, 788,890.94 and 342,226.07

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Solution

The fourth proportional to 571,755.98, 788,890.94 and 342,226.07 is: 472,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,755.98 : 788,890.94 = 342,226.07 : x
  2. Step 2: Convert to fraction form
    571,755.98/788,890.94 = 342,226.07/x
  3. Step 3: Cross multiply
    571,755.98x = 788,890.94 × 342,226.07
  4. Step 4: Simplify right side
    571,755.98x = 269,979,042,965.92
  5. Step 5: Solve for x
    x = 269,979,042,965.92/571,755.98
  6. Step 6: Final answer
    x = 472,192.77

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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.