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Finding the Fourth Proportional to 583,056.91, 874,655.42 and 551,170.45

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Solution

The fourth proportional to 583,056.91, 874,655.42 and 551,170.45 is: 826,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,056.91 : 874,655.42 = 551,170.45 : x
  2. Step 2: Convert to fraction form
    583,056.91/874,655.42 = 551,170.45/x
  3. Step 3: Cross multiply
    583,056.91x = 874,655.42 × 551,170.45
  4. Step 4: Simplify right side
    583,056.91x = 482,084,221,436.34
  5. Step 5: Solve for x
    x = 482,084,221,436.34/583,056.91
  6. Step 6: Final answer
    x = 826,821.90

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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.