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Finding the Fourth Proportional to 659,159.55, 988,739.33 and 304,068.51

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Solution

The fourth proportional to 659,159.55, 988,739.33 and 304,068.51 is: 456,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,159.55 : 988,739.33 = 304,068.51 : x
  2. Step 2: Convert to fraction form
    659,159.55/988,739.33 = 304,068.51/x
  3. Step 3: Cross multiply
    659,159.55x = 988,739.33 × 304,068.51
  4. Step 4: Simplify right side
    659,159.55x = 300,644,493,331.16
  5. Step 5: Solve for x
    x = 300,644,493,331.16/659,159.55
  6. Step 6: Final answer
    x = 456,102.77

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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.