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Finding the Fourth Proportional to 461,991, 637,547.62 and 250,023

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Solution

The fourth proportional to 461,991, 637,547.62 and 250,023 is: 345,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,991 : 637,547.62 = 250,023 : x
  2. Step 2: Convert to fraction form
    461,991/637,547.62 = 250,023/x
  3. Step 3: Cross multiply
    461,991x = 637,547.62 × 250,023
  4. Step 4: Simplify right side
    461,991x = 159,401,568,595.26
  5. Step 5: Solve for x
    x = 159,401,568,595.26/461,991
  6. Step 6: Final answer
    x = 345,031.76

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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.