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Finding the Fourth Proportional to 573,464.10, 859,904.55 and 336,879.30

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Solution

The fourth proportional to 573,464.10, 859,904.55 and 336,879.30 is: 505,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,464.10 : 859,904.55 = 336,879.30 : x
  2. Step 2: Convert to fraction form
    573,464.10/859,904.55 = 336,879.30/x
  3. Step 3: Cross multiply
    573,464.10x = 859,904.55 × 336,879.30
  4. Step 4: Simplify right side
    573,464.10x = 289,684,042,870.82
  5. Step 5: Solve for x
    x = 289,684,042,870.82/573,464.10
  6. Step 6: Final answer
    x = 505,147.65

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1.5x scale

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.