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Finding the Fourth Proportional to 594,585.20, 890,495.40 and 406,578.80

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Solution

The fourth proportional to 594,585.20, 890,495.40 and 406,578.80 is: 608,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,585.20 : 890,495.40 = 406,578.80 : x
  2. Step 2: Convert to fraction form
    594,585.20/890,495.40 = 406,578.80/x
  3. Step 3: Cross multiply
    594,585.20x = 890,495.40 × 406,578.80
  4. Step 4: Simplify right side
    594,585.20x = 362,056,551,137.52
  5. Step 5: Solve for x
    x = 362,056,551,137.52/594,585.20
  6. Step 6: Final answer
    x = 608,922.91

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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.