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Finding the Fourth Proportional to 586,588.40, 879,882.60 and 306,069.20

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Solution

The fourth proportional to 586,588.40, 879,882.60 and 306,069.20 is: 459,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,588.40 : 879,882.60 = 306,069.20 : x
  2. Step 2: Convert to fraction form
    586,588.40/879,882.60 = 306,069.20/x
  3. Step 3: Cross multiply
    586,588.40x = 879,882.60 × 306,069.20
  4. Step 4: Simplify right side
    586,588.40x = 269,304,963,475.92
  5. Step 5: Solve for x
    x = 269,304,963,475.92/586,588.40
  6. Step 6: Final answer
    x = 459,103.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.