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Finding the Fourth Proportional to 247,907.45, 348,003.55 and 247,907.45

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Solution

The fourth proportional to 247,907.45, 348,003.55 and 247,907.45 is: 348,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,907.45 : 348,003.55 = 247,907.45 : x
  2. Step 2: Convert to fraction form
    247,907.45/348,003.55 = 247,907.45/x
  3. Step 3: Cross multiply
    247,907.45x = 348,003.55 × 247,907.45
  4. Step 4: Simplify right side
    247,907.45x = 86,272,672,671.45
  5. Step 5: Solve for x
    x = 86,272,672,671.45/247,907.45
  6. Step 6: Final answer
    x = 348,003.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.