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Finding the Fourth Proportional to 605,502.60, 907,476.30 and 368,593.80

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Solution

The fourth proportional to 605,502.60, 907,476.30 and 368,593.80 is: 552,417.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,502.60 : 907,476.30 = 368,593.80 : x
  2. Step 2: Convert to fraction form
    605,502.60/907,476.30 = 368,593.80/x
  3. Step 3: Cross multiply
    605,502.60x = 907,476.30 × 368,593.80
  4. Step 4: Simplify right side
    605,502.60x = 334,490,137,826.94
  5. Step 5: Solve for x
    x = 334,490,137,826.94/605,502.60
  6. Step 6: Final answer
    x = 552,417.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.