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Finding the Fourth Proportional to 573,464.60, 859,905.30 and 336,879.80

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Solution

The fourth proportional to 573,464.60, 859,905.30 and 336,879.80 is: 505,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,464.60 : 859,905.30 = 336,879.80 : x
  2. Step 2: Convert to fraction form
    573,464.60/859,905.30 = 336,879.80/x
  3. Step 3: Cross multiply
    573,464.60x = 859,905.30 × 336,879.80
  4. Step 4: Simplify right side
    573,464.60x = 289,684,725,482.94
  5. Step 5: Solve for x
    x = 289,684,725,482.94/573,464.60
  6. Step 6: Final answer
    x = 505,148.40

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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.