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Finding the Fourth Proportional to 556,583.30, 833,762 and 256,653.26

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Solution

The fourth proportional to 556,583.30, 833,762 and 256,653.26 is: 384,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,583.30 : 833,762 = 256,653.26 : x
  2. Step 2: Convert to fraction form
    556,583.30/833,762 = 256,653.26/x
  3. Step 3: Cross multiply
    556,583.30x = 833,762 × 256,653.26
  4. Step 4: Simplify right side
    556,583.30x = 213,987,735,364.12
  5. Step 5: Solve for x
    x = 213,987,735,364.12/556,583.30
  6. Step 6: Final answer
    x = 384,466.68

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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.