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Finding the Fourth Proportional to 317,336.04, 475,984.62 and 130,342.68

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Solution

The fourth proportional to 317,336.04, 475,984.62 and 130,342.68 is: 195,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,336.04 : 475,984.62 = 130,342.68 : x
  2. Step 2: Convert to fraction form
    317,336.04/475,984.62 = 130,342.68/x
  3. Step 3: Cross multiply
    317,336.04x = 475,984.62 × 130,342.68
  4. Step 4: Simplify right side
    317,336.04x = 62,041,111,009.58
  5. Step 5: Solve for x
    x = 62,041,111,009.58/317,336.04
  6. Step 6: Final answer
    x = 195,506.04

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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.