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Finding the Fourth Proportional to 616,412.83, 850,576.04 and 340,733.45

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Solution

The fourth proportional to 616,412.83, 850,576.04 and 340,733.45 is: 470,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,412.83 : 850,576.04 = 340,733.45 : x
  2. Step 2: Convert to fraction form
    616,412.83/850,576.04 = 340,733.45/x
  3. Step 3: Cross multiply
    616,412.83x = 850,576.04 × 340,733.45
  4. Step 4: Simplify right side
    616,412.83x = 289,819,708,596.54
  5. Step 5: Solve for x
    x = 289,819,708,596.54/616,412.83
  6. Step 6: Final answer
    x = 470,171.44

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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.