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Finding the Fourth Proportional to 558,706.84, 838,055.82 and 370,011.64

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Solution

The fourth proportional to 558,706.84, 838,055.82 and 370,011.64 is: 555,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,706.84 : 838,055.82 = 370,011.64 : x
  2. Step 2: Convert to fraction form
    558,706.84/838,055.82 = 370,011.64/x
  3. Step 3: Cross multiply
    558,706.84x = 838,055.82 × 370,011.64
  4. Step 4: Simplify right side
    558,706.84x = 310,090,408,369.75
  5. Step 5: Solve for x
    x = 310,090,408,369.75/558,706.84
  6. Step 6: Final answer
    x = 555,014.52

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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.