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Finding the Fourth Proportional to 608,745.98, 840,070.44 and 336,825.34

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Solution

The fourth proportional to 608,745.98, 840,070.44 and 336,825.34 is: 464,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,745.98 : 840,070.44 = 336,825.34 : x
  2. Step 2: Convert to fraction form
    608,745.98/840,070.44 = 336,825.34/x
  3. Step 3: Cross multiply
    608,745.98x = 840,070.44 × 336,825.34
  4. Step 4: Simplify right side
    608,745.98x = 282,957,009,476.77
  5. Step 5: Solve for x
    x = 282,957,009,476.77/608,745.98
  6. Step 6: Final answer
    x = 464,819.51

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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.