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Finding the Fourth Proportional to 662,800.56, 914,675.40 and 360,994.56

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Solution

The fourth proportional to 662,800.56, 914,675.40 and 360,994.56 is: 498,178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,800.56 : 914,675.40 = 360,994.56 : x
  2. Step 2: Convert to fraction form
    662,800.56/914,675.40 = 360,994.56/x
  3. Step 3: Cross multiply
    662,800.56x = 914,675.40 × 360,994.56
  4. Step 4: Simplify right side
    662,800.56x = 330,192,843,565.82
  5. Step 5: Solve for x
    x = 330,192,843,565.82/662,800.56
  6. Step 6: Final answer
    x = 498,178.28

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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.