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Finding the Fourth Proportional to 659,762.29, 989,577.81 and 304,771.18

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Solution

The fourth proportional to 659,762.29, 989,577.81 and 304,771.18 is: 457,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,762.29 : 989,577.81 = 304,771.18 : x
  2. Step 2: Convert to fraction form
    659,762.29/989,577.81 = 304,771.18/x
  3. Step 3: Cross multiply
    659,762.29x = 989,577.81 × 304,771.18
  4. Step 4: Simplify right side
    659,762.29x = 301,594,796,855.52
  5. Step 5: Solve for x
    x = 301,594,796,855.52/659,762.29
  6. Step 6: Final answer
    x = 457,126.46

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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.