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Finding the Fourth Proportional to 593,247.16, 818,676.12 and 321,308.74

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Solution

The fourth proportional to 593,247.16, 818,676.12 and 321,308.74 is: 443,403.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,247.16 : 818,676.12 = 321,308.74 : x
  2. Step 2: Convert to fraction form
    593,247.16/818,676.12 = 321,308.74/x
  3. Step 3: Cross multiply
    593,247.16x = 818,676.12 × 321,308.74
  4. Step 4: Simplify right side
    593,247.16x = 263,047,792,585.29
  5. Step 5: Solve for x
    x = 263,047,792,585.29/593,247.16
  6. Step 6: Final answer
    x = 443,403.37

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Double scale
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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.