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Finding the Fourth Proportional to 593,341.34, 818,814.96 and 321,409.22

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Solution

The fourth proportional to 593,341.34, 818,814.96 and 321,409.22 is: 443,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,341.34 : 818,814.96 = 321,409.22 : x
  2. Step 2: Convert to fraction form
    593,341.34/818,814.96 = 321,409.22/x
  3. Step 3: Cross multiply
    593,341.34x = 818,814.96 × 321,409.22
  4. Step 4: Simplify right side
    593,341.34x = 263,174,677,617.93
  5. Step 5: Solve for x
    x = 263,174,677,617.93/593,341.34
  6. Step 6: Final answer
    x = 443,546.84

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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.