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Finding the Fourth Proportional to 536,943.70, 740,985.10 and 295,241.84

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Solution

The fourth proportional to 536,943.70, 740,985.10 and 295,241.84 is: 407,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,943.70 : 740,985.10 = 295,241.84 : x
  2. Step 2: Convert to fraction form
    536,943.70/740,985.10 = 295,241.84/x
  3. Step 3: Cross multiply
    536,943.70x = 740,985.10 × 295,241.84
  4. Step 4: Simplify right side
    536,943.70x = 218,769,806,840.29
  5. Step 5: Solve for x
    x = 218,769,806,840.29/536,943.70
  6. Step 6: Final answer
    x = 407,435.28

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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.