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Finding the Fourth Proportional to 590,487.36, 814,596.12 and 348,605.16

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Solution

The fourth proportional to 590,487.36, 814,596.12 and 348,605.16 is: 480,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,487.36 : 814,596.12 = 348,605.16 : x
  2. Step 2: Convert to fraction form
    590,487.36/814,596.12 = 348,605.16/x
  3. Step 3: Cross multiply
    590,487.36x = 814,596.12 × 348,605.16
  4. Step 4: Simplify right side
    590,487.36x = 283,972,410,747.98
  5. Step 5: Solve for x
    x = 283,972,410,747.98/590,487.36
  6. Step 6: Final answer
    x = 480,911.92

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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.