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Finding the Fourth Proportional to 492,348.82, 679,441.38 and 265,994.32

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Solution

The fourth proportional to 492,348.82, 679,441.38 and 265,994.32 is: 367,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,348.82 : 679,441.38 = 265,994.32 : x
  2. Step 2: Convert to fraction form
    492,348.82/679,441.38 = 265,994.32/x
  3. Step 3: Cross multiply
    492,348.82x = 679,441.38 × 265,994.32
  4. Step 4: Simplify right side
    492,348.82x = 180,727,547,852.96
  5. Step 5: Solve for x
    x = 180,727,547,852.96/492,348.82
  6. Step 6: Final answer
    x = 367,072.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.