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Finding the Fourth Proportional to 584,445, 806,535.18 and 316,173

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Solution

The fourth proportional to 584,445, 806,535.18 and 316,173 is: 436,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,445 : 806,535.18 = 316,173 : x
  2. Step 2: Convert to fraction form
    584,445/806,535.18 = 316,173/x
  3. Step 3: Cross multiply
    584,445x = 806,535.18 × 316,173
  4. Step 4: Simplify right side
    584,445x = 255,004,647,466.14
  5. Step 5: Solve for x
    x = 255,004,647,466.14/584,445
  6. Step 6: Final answer
    x = 436,319.32

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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.