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Finding the Fourth Proportional to 547,347.60, 819,053.10 and 370,200.60

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Solution

The fourth proportional to 547,347.60, 819,053.10 and 370,200.60 is: 553,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,347.60 : 819,053.10 = 370,200.60 : x
  2. Step 2: Convert to fraction form
    547,347.60/819,053.10 = 370,200.60/x
  3. Step 3: Cross multiply
    547,347.60x = 819,053.10 × 370,200.60
  4. Step 4: Simplify right side
    547,347.60x = 303,213,949,051.86
  5. Step 5: Solve for x
    x = 303,213,949,051.86/547,347.60
  6. Step 6: Final answer
    x = 553,969.63

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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.