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Finding the Fourth Proportional to 346,180.06, 477,546.86 and 300,755.98

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Solution

The fourth proportional to 346,180.06, 477,546.86 and 300,755.98 is: 414,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,180.06 : 477,546.86 = 300,755.98 : x
  2. Step 2: Convert to fraction form
    346,180.06/477,546.86 = 300,755.98/x
  3. Step 3: Cross multiply
    346,180.06x = 477,546.86 × 300,755.98
  4. Step 4: Simplify right side
    346,180.06x = 143,625,073,875.22
  5. Step 5: Solve for x
    x = 143,625,073,875.22/346,180.06
  6. Step 6: Final answer
    x = 414,885.46

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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.