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Finding the Fourth Proportional to 370,230.84, 555,112.98 and 314,090.55

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Solution

The fourth proportional to 370,230.84, 555,112.98 and 314,090.55 is: 470,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,230.84 : 555,112.98 = 314,090.55 : x
  2. Step 2: Convert to fraction form
    370,230.84/555,112.98 = 314,090.55/x
  3. Step 3: Cross multiply
    370,230.84x = 555,112.98 × 314,090.55
  4. Step 4: Simplify right side
    370,230.84x = 174,355,741,200.34
  5. Step 5: Solve for x
    x = 174,355,741,200.34/370,230.84
  6. Step 6: Final answer
    x = 470,937.92

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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.