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Finding the Fourth Proportional to 693,902.16, 1,041,089.64 and 374,085

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Solution

The fourth proportional to 693,902.16, 1,041,089.64 and 374,085 is: 561,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,902.16 : 1,041,089.64 = 374,085 : x
  2. Step 2: Convert to fraction form
    693,902.16/1,041,089.64 = 374,085/x
  3. Step 3: Cross multiply
    693,902.16x = 1,041,089.64 × 374,085
  4. Step 4: Simplify right side
    693,902.16x = 389,456,017,979.40
  5. Step 5: Solve for x
    x = 389,456,017,979.40/693,902.16
  6. Step 6: Final answer
    x = 561,254.94

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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.