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Finding the Fourth Proportional to 683,009.80, 957,613.40 and 683,009.80

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Solution

The fourth proportional to 683,009.80, 957,613.40 and 683,009.80 is: 957,613.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,009.80 : 957,613.40 = 683,009.80 : x
  2. Step 2: Convert to fraction form
    683,009.80/957,613.40 = 683,009.80/x
  3. Step 3: Cross multiply
    683,009.80x = 957,613.40 × 683,009.80
  4. Step 4: Simplify right side
    683,009.80x = 654,059,336,811.32
  5. Step 5: Solve for x
    x = 654,059,336,811.32/683,009.80
  6. Step 6: Final answer
    x = 957,613.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.