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Finding the Fourth Proportional to 573,441.60, 859,870.80 and 336,856.80

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Solution

The fourth proportional to 573,441.60, 859,870.80 and 336,856.80 is: 505,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,441.60 : 859,870.80 = 336,856.80 : x
  2. Step 2: Convert to fraction form
    573,441.60/859,870.80 = 336,856.80/x
  3. Step 3: Cross multiply
    573,441.60x = 859,870.80 × 336,856.80
  4. Step 4: Simplify right side
    573,441.60x = 289,653,326,101.44
  5. Step 5: Solve for x
    x = 289,653,326,101.44/573,441.60
  6. Step 6: Final answer
    x = 505,113.91

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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.