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Finding the Fourth Proportional to 594,311.60, 890,257.80 and 368,980.40

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Solution

The fourth proportional to 594,311.60, 890,257.80 and 368,980.40 is: 552,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,311.60 : 890,257.80 = 368,980.40 : x
  2. Step 2: Convert to fraction form
    594,311.60/890,257.80 = 368,980.40/x
  3. Step 3: Cross multiply
    594,311.60x = 890,257.80 × 368,980.40
  4. Step 4: Simplify right side
    594,311.60x = 328,487,679,147.12
  5. Step 5: Solve for x
    x = 328,487,679,147.12/594,311.60
  6. Step 6: Final answer
    x = 552,719.62

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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.