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Finding the Fourth Proportional to 452,950.68, 679,408.29 and 153,431.27

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Solution

The fourth proportional to 452,950.68, 679,408.29 and 153,431.27 is: 230,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,950.68 : 679,408.29 = 153,431.27 : x
  2. Step 2: Convert to fraction form
    452,950.68/679,408.29 = 153,431.27/x
  3. Step 3: Cross multiply
    452,950.68x = 679,408.29 × 153,431.27
  4. Step 4: Simplify right side
    452,950.68x = 104,242,473,386.19
  5. Step 5: Solve for x
    x = 104,242,473,386.19/452,950.68
  6. Step 6: Final answer
    x = 230,140.89

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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.