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Finding the Fourth Proportional to 594,619.60, 890,719.80 and 369,288.40

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Solution

The fourth proportional to 594,619.60, 890,719.80 and 369,288.40 is: 553,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,619.60 : 890,719.80 = 369,288.40 : x
  2. Step 2: Convert to fraction form
    594,619.60/890,719.80 = 369,288.40/x
  3. Step 3: Cross multiply
    594,619.60x = 890,719.80 × 369,288.40
  4. Step 4: Simplify right side
    594,619.60x = 328,932,489,790.32
  5. Step 5: Solve for x
    x = 328,932,489,790.32/594,619.60
  6. Step 6: Final answer
    x = 553,181.38

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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.