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Finding the Fourth Proportional to 608,783.22, 840,253.26 and 354,167.82

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Solution

The fourth proportional to 608,783.22, 840,253.26 and 354,167.82 is: 488,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,783.22 : 840,253.26 = 354,167.82 : x
  2. Step 2: Convert to fraction form
    608,783.22/840,253.26 = 354,167.82/x
  3. Step 3: Cross multiply
    608,783.22x = 840,253.26 × 354,167.82
  4. Step 4: Simplify right side
    608,783.22x = 297,590,665,342.09
  5. Step 5: Solve for x
    x = 297,590,665,342.09/608,783.22
  6. Step 6: Final answer
    x = 488,828.63

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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.