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Finding the Fourth Proportional to 384,800.35, 577,200.53 and 104,317.60

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Solution

The fourth proportional to 384,800.35, 577,200.53 and 104,317.60 is: 156,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,800.35 : 577,200.53 = 104,317.60 : x
  2. Step 2: Convert to fraction form
    384,800.35/577,200.53 = 104,317.60/x
  3. Step 3: Cross multiply
    384,800.35x = 577,200.53 × 104,317.60
  4. Step 4: Simplify right side
    384,800.35x = 60,212,173,486.74
  5. Step 5: Solve for x
    x = 60,212,173,486.74/384,800.35
  6. Step 6: Final answer
    x = 156,476.40

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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.