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Finding the Fourth Proportional to 448,674.89, 672,866.76 and 149,075.03

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Solution

The fourth proportional to 448,674.89, 672,866.76 and 149,075.03 is: 223,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,674.89 : 672,866.76 = 149,075.03 : x
  2. Step 2: Convert to fraction form
    448,674.89/672,866.76 = 149,075.03/x
  3. Step 3: Cross multiply
    448,674.89x = 672,866.76 × 149,075.03
  4. Step 4: Simplify right side
    448,674.89x = 100,307,629,068.67
  5. Step 5: Solve for x
    x = 100,307,629,068.67/448,674.89
  6. Step 6: Final answer
    x = 223,564.17

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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.