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Finding the Fourth Proportional to 425,104.02, 586,476.81 and 243,719.10

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Solution

The fourth proportional to 425,104.02, 586,476.81 and 243,719.10 is: 336,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,104.02 : 586,476.81 = 243,719.10 : x
  2. Step 2: Convert to fraction form
    425,104.02/586,476.81 = 243,719.10/x
  3. Step 3: Cross multiply
    425,104.02x = 586,476.81 × 243,719.10
  4. Step 4: Simplify right side
    425,104.02x = 142,935,600,304.07
  5. Step 5: Solve for x
    x = 142,935,600,304.07/425,104.02
  6. Step 6: Final answer
    x = 336,236.76

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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.