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Finding the Fourth Proportional to 425,285.02, 586,085.79 and 304,216.04

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Solution

The fourth proportional to 425,285.02, 586,085.79 and 304,216.04 is: 419,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,285.02 : 586,085.79 = 304,216.04 : x
  2. Step 2: Convert to fraction form
    425,285.02/586,085.79 = 304,216.04/x
  3. Step 3: Cross multiply
    425,285.02x = 586,085.79 × 304,216.04
  4. Step 4: Simplify right side
    425,285.02x = 178,296,698,134.07
  5. Step 5: Solve for x
    x = 178,296,698,134.07/425,285.02
  6. Step 6: Final answer
    x = 419,240.49

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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.