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Finding the Fourth Proportional to 400,858.00, 553,192.00 and 219,569.94

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Solution

The fourth proportional to 400,858.00, 553,192.00 and 219,569.94 is: 303,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,858.00 : 553,192.00 = 219,569.94 : x
  2. Step 2: Convert to fraction form
    400,858.00/553,192.00 = 219,569.94/x
  3. Step 3: Cross multiply
    400,858.00x = 553,192.00 × 219,569.94
  4. Step 4: Simplify right side
    400,858.00x = 121,464,333,699.56
  5. Step 5: Solve for x
    x = 121,464,333,699.56/400,858.00
  6. Step 6: Final answer
    x = 303,010.88

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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.