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Finding the Fourth Proportional to 768,095.64, 1,059,802.32 and 445,618.96

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Solution

The fourth proportional to 768,095.64, 1,059,802.32 and 445,618.96 is: 614,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,095.64 : 1,059,802.32 = 445,618.96 : x
  2. Step 2: Convert to fraction form
    768,095.64/1,059,802.32 = 445,618.96/x
  3. Step 3: Cross multiply
    768,095.64x = 1,059,802.32 × 445,618.96
  4. Step 4: Simplify right side
    768,095.64x = 472,268,007,643.99
  5. Step 5: Solve for x
    x = 472,268,007,643.99/768,095.64
  6. Step 6: Final answer
    x = 614,855.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.