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Finding the Fourth Proportional to 317,307.42, 476,005.68 and 92,684.34

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Solution

The fourth proportional to 317,307.42, 476,005.68 and 92,684.34 is: 139,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,307.42 : 476,005.68 = 92,684.34 : x
  2. Step 2: Convert to fraction form
    317,307.42/476,005.68 = 92,684.34/x
  3. Step 3: Cross multiply
    317,307.42x = 476,005.68 × 92,684.34
  4. Step 4: Simplify right side
    317,307.42x = 44,118,272,287.05
  5. Step 5: Solve for x
    x = 44,118,272,287.05/317,307.42
  6. Step 6: Final answer
    x = 139,039.52

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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.