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Finding the Fourth Proportional to 453,111, 679,241.85 and 153,381.84

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Solution

The fourth proportional to 453,111, 679,241.85 and 153,381.84 is: 229,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,111 : 679,241.85 = 153,381.84 : x
  2. Step 2: Convert to fraction form
    453,111/679,241.85 = 153,381.84/x
  3. Step 3: Cross multiply
    453,111x = 679,241.85 × 153,381.84
  4. Step 4: Simplify right side
    453,111x = 104,183,364,758.00
  5. Step 5: Solve for x
    x = 104,183,364,758.00/453,111
  6. Step 6: Final answer
    x = 229,929.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.