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Finding the Fourth Proportional to 716,936, 1,075,404.02 and 218,300

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Solution

The fourth proportional to 716,936, 1,075,404.02 and 218,300 is: 327,450.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,936 : 1,075,404.02 = 218,300 : x
  2. Step 2: Convert to fraction form
    716,936/1,075,404.02 = 218,300/x
  3. Step 3: Cross multiply
    716,936x = 1,075,404.02 × 218,300
  4. Step 4: Simplify right side
    716,936x = 234,760,697,566
  5. Step 5: Solve for x
    x = 234,760,697,566/716,936
  6. Step 6: Final answer
    x = 327,450.01

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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.