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Finding the Fourth Proportional to 608,729.58, 840,025.08 and 336,796.38

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Solution

The fourth proportional to 608,729.58, 840,025.08 and 336,796.38 is: 464,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,729.58 : 840,025.08 = 336,796.38 : x
  2. Step 2: Convert to fraction form
    608,729.58/840,025.08 = 336,796.38/x
  3. Step 3: Cross multiply
    608,729.58x = 840,025.08 × 336,796.38
  4. Step 4: Simplify right side
    608,729.58x = 282,917,406,053.21
  5. Step 5: Solve for x
    x = 282,917,406,053.21/608,729.58
  6. Step 6: Final answer
    x = 464,766.98

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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.