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Finding the Fourth Proportional to 590,018.40, 814,015.44 and 348,179.94

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Solution

The fourth proportional to 590,018.40, 814,015.44 and 348,179.94 is: 480,364.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,018.40 : 814,015.44 = 348,179.94 : x
  2. Step 2: Convert to fraction form
    590,018.40/814,015.44 = 348,179.94/x
  3. Step 3: Cross multiply
    590,018.40x = 814,015.44 × 348,179.94
  4. Step 4: Simplify right side
    590,018.40x = 283,423,847,058.27
  5. Step 5: Solve for x
    x = 283,423,847,058.27/590,018.40
  6. Step 6: Final answer
    x = 480,364.42

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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.