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Finding the Fourth Proportional to 482,977.60, 724,563.60 and 404,634.40

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Solution

The fourth proportional to 482,977.60, 724,563.60 and 404,634.40 is: 607,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,977.60 : 724,563.60 = 404,634.40 : x
  2. Step 2: Convert to fraction form
    482,977.60/724,563.60 = 404,634.40/x
  3. Step 3: Cross multiply
    482,977.60x = 724,563.60 × 404,634.40
  4. Step 4: Simplify right side
    482,977.60x = 293,183,357,547.84
  5. Step 5: Solve for x
    x = 293,183,357,547.84/482,977.60
  6. Step 6: Final answer
    x = 607,033.03

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Why These Related Problems?

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