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Finding the Fourth Proportional to 589,885.70, 814,018.82 and 348,246.12

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Solution

The fourth proportional to 589,885.70, 814,018.82 and 348,246.12 is: 480,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,885.70 : 814,018.82 = 348,246.12 : x
  2. Step 2: Convert to fraction form
    589,885.70/814,018.82 = 348,246.12/x
  3. Step 3: Cross multiply
    589,885.70x = 814,018.82 × 348,246.12
  4. Step 4: Simplify right side
    589,885.70x = 283,478,893,930.75
  5. Step 5: Solve for x
    x = 283,478,893,930.75/589,885.70
  6. Step 6: Final answer
    x = 480,565.81

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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.