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Finding the Fourth Proportional to 275,312.70, 412,969.05 and 246,444.30

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Solution

The fourth proportional to 275,312.70, 412,969.05 and 246,444.30 is: 369,666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,312.70 : 412,969.05 = 246,444.30 : x
  2. Step 2: Convert to fraction form
    275,312.70/412,969.05 = 246,444.30/x
  3. Step 3: Cross multiply
    275,312.70x = 412,969.05 × 246,444.30
  4. Step 4: Simplify right side
    275,312.70x = 101,773,868,448.92
  5. Step 5: Solve for x
    x = 101,773,868,448.92/275,312.70
  6. Step 6: Final answer
    x = 369,666.45

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Similar ratio
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1.5x scale

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.