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Finding the Fourth Proportional to 451,205.65, 676,809.29 and 184,918.51

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Solution

The fourth proportional to 451,205.65, 676,809.29 and 184,918.51 is: 277,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,205.65 : 676,809.29 = 184,918.51 : x
  2. Step 2: Convert to fraction form
    451,205.65/676,809.29 = 184,918.51/x
  3. Step 3: Cross multiply
    451,205.65x = 676,809.29 × 184,918.51
  4. Step 4: Simplify right side
    451,205.65x = 125,154,565,460.96
  5. Step 5: Solve for x
    x = 125,154,565,460.96/451,205.65
  6. Step 6: Final answer
    x = 277,378.10

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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.