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Finding the Fourth Proportional to 475,834.70, 656,668.62 and 260,975.62

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Solution

The fourth proportional to 475,834.70, 656,668.62 and 260,975.62 is: 360,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,834.70 : 656,668.62 = 260,975.62 : x
  2. Step 2: Convert to fraction form
    475,834.70/656,668.62 = 260,975.62/x
  3. Step 3: Cross multiply
    475,834.70x = 656,668.62 × 260,975.62
  4. Step 4: Simplify right side
    475,834.70x = 171,374,501,059.88
  5. Step 5: Solve for x
    x = 171,374,501,059.88/475,834.70
  6. Step 6: Final answer
    x = 360,155.53

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1.5x scale

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.