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Finding the Fourth Proportional to 616,457.61, 850,706.24 and 344,536.97

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Solution

The fourth proportional to 616,457.61, 850,706.24 and 344,536.97 is: 475,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,457.61 : 850,706.24 = 344,536.97 : x
  2. Step 2: Convert to fraction form
    616,457.61/850,706.24 = 344,536.97/x
  3. Step 3: Cross multiply
    616,457.61x = 850,706.24 × 344,536.97
  4. Step 4: Simplify right side
    616,457.61x = 293,099,744,313.48
  5. Step 5: Solve for x
    x = 293,099,744,313.48/616,457.61
  6. Step 6: Final answer
    x = 475,458.07

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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.