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Finding the Fourth Proportional to 286,755.06, 395,724.06 and 179,386.14

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Solution

The fourth proportional to 286,755.06, 395,724.06 and 179,386.14 is: 247,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,755.06 : 395,724.06 = 179,386.14 : x
  2. Step 2: Convert to fraction form
    286,755.06/395,724.06 = 179,386.14/x
  3. Step 3: Cross multiply
    286,755.06x = 395,724.06 × 179,386.14
  4. Step 4: Simplify right side
    286,755.06x = 70,987,411,628.53
  5. Step 5: Solve for x
    x = 70,987,411,628.53/286,755.06
  6. Step 6: Final answer
    x = 247,554.17

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1.5x scale

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.