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Finding the Fourth Proportional to 685,410, 944,175.74 and 583,107.81

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Solution

The fourth proportional to 685,410, 944,175.74 and 583,107.81 is: 803,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,410 : 944,175.74 = 583,107.81 : x
  2. Step 2: Convert to fraction form
    685,410/944,175.74 = 583,107.81/x
  3. Step 3: Cross multiply
    685,410x = 944,175.74 × 583,107.81
  4. Step 4: Simplify right side
    685,410x = 550,556,245,090.99
  5. Step 5: Solve for x
    x = 550,556,245,090.99/685,410
  6. Step 6: Final answer
    x = 803,250.97

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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.