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Finding the Fourth Proportional to 461,996, 637,554.80 and 250,028

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Solution

The fourth proportional to 461,996, 637,554.80 and 250,028 is: 345,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,996 : 637,554.80 = 250,028 : x
  2. Step 2: Convert to fraction form
    461,996/637,554.80 = 250,028/x
  3. Step 3: Cross multiply
    461,996x = 637,554.80 × 250,028
  4. Step 4: Simplify right side
    461,996x = 159,406,551,534.40
  5. Step 5: Solve for x
    x = 159,406,551,534.40/461,996
  6. Step 6: Final answer
    x = 345,038.81

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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.