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Finding the Fourth Proportional to 608,858.48, 840,212.16 and 336,926.20

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Solution

The fourth proportional to 608,858.48, 840,212.16 and 336,926.20 is: 464,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,858.48 : 840,212.16 = 336,926.20 : x
  2. Step 2: Convert to fraction form
    608,858.48/840,212.16 = 336,926.20/x
  3. Step 3: Cross multiply
    608,858.48x = 840,212.16 × 336,926.20
  4. Step 4: Simplify right side
    608,858.48x = 283,089,490,262.59
  5. Step 5: Solve for x
    x = 283,089,490,262.59/608,858.48
  6. Step 6: Final answer
    x = 464,951.22

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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.