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Finding the Fourth Proportional to 546,671.60, 819,239.40 and 434,543.60

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Solution

The fourth proportional to 546,671.60, 819,239.40 and 434,543.60 is: 651,204.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,671.60 : 819,239.40 = 434,543.60 : x
  2. Step 2: Convert to fraction form
    546,671.60/819,239.40 = 434,543.60/x
  3. Step 3: Cross multiply
    546,671.60x = 819,239.40 × 434,543.60
  4. Step 4: Simplify right side
    546,671.60x = 355,995,238,137.84
  5. Step 5: Solve for x
    x = 355,995,238,137.84/546,671.60
  6. Step 6: Final answer
    x = 651,204.92

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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.