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Finding the Fourth Proportional to 590,484.82, 814,588.40 and 348,605.36

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Solution

The fourth proportional to 590,484.82, 814,588.40 and 348,605.36 is: 480,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,484.82 : 814,588.40 = 348,605.36 : x
  2. Step 2: Convert to fraction form
    590,484.82/814,588.40 = 348,605.36/x
  3. Step 3: Cross multiply
    590,484.82x = 814,588.40 × 348,605.36
  4. Step 4: Simplify right side
    590,484.82x = 283,969,882,433.82
  5. Step 5: Solve for x
    x = 283,969,882,433.82/590,484.82
  6. Step 6: Final answer
    x = 480,909.71

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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.