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Finding the Fourth Proportional to 347,885.60, 480,316.03 and 217,262.24

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Solution

The fourth proportional to 347,885.60, 480,316.03 and 217,262.24 is: 299,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,885.60 : 480,316.03 = 217,262.24 : x
  2. Step 2: Convert to fraction form
    347,885.60/480,316.03 = 217,262.24/x
  3. Step 3: Cross multiply
    347,885.60x = 480,316.03 × 217,262.24
  4. Step 4: Simplify right side
    347,885.60x = 104,354,534,863.07
  5. Step 5: Solve for x
    x = 104,354,534,863.07/347,885.60
  6. Step 6: Final answer
    x = 299,967.97

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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.