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Finding the Fourth Proportional to 332,921, 459,430.98 and 182,018

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Solution

The fourth proportional to 332,921, 459,430.98 and 182,018 is: 251,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,921 : 459,430.98 = 182,018 : x
  2. Step 2: Convert to fraction form
    332,921/459,430.98 = 182,018/x
  3. Step 3: Cross multiply
    332,921x = 459,430.98 × 182,018
  4. Step 4: Simplify right side
    332,921x = 83,624,708,117.64
  5. Step 5: Solve for x
    x = 83,624,708,117.64/332,921
  6. Step 6: Final answer
    x = 251,184.84

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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.