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Finding the Fourth Proportional to 425,287.02, 586,088.55 and 304,218.04

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Solution

The fourth proportional to 425,287.02, 586,088.55 and 304,218.04 is: 419,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,287.02 : 586,088.55 = 304,218.04 : x
  2. Step 2: Convert to fraction form
    425,287.02/586,088.55 = 304,218.04/x
  3. Step 3: Cross multiply
    425,287.02x = 586,088.55 × 304,218.04
  4. Step 4: Simplify right side
    425,287.02x = 178,298,709,947.44
  5. Step 5: Solve for x
    x = 178,298,709,947.44/425,287.02
  6. Step 6: Final answer
    x = 419,243.24

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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.