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Finding the Fourth Proportional to 317,308.42, 476,007.18 and 92,685.34

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Solution

The fourth proportional to 317,308.42, 476,007.18 and 92,685.34 is: 139,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,308.42 : 476,007.18 = 92,685.34 : x
  2. Step 2: Convert to fraction form
    317,308.42/476,007.18 = 92,685.34/x
  3. Step 3: Cross multiply
    317,308.42x = 476,007.18 × 92,685.34
  4. Step 4: Simplify right side
    317,308.42x = 44,118,887,320.74
  5. Step 5: Solve for x
    x = 44,118,887,320.74/317,308.42
  6. Step 6: Final answer
    x = 139,041.02

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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.