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Finding the Fourth Proportional to 589,068.20, 883,602.30 and 545,765.60

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Solution

The fourth proportional to 589,068.20, 883,602.30 and 545,765.60 is: 818,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,068.20 : 883,602.30 = 545,765.60 : x
  2. Step 2: Convert to fraction form
    589,068.20/883,602.30 = 545,765.60/x
  3. Step 3: Cross multiply
    589,068.20x = 883,602.30 × 545,765.60
  4. Step 4: Simplify right side
    589,068.20x = 482,239,739,420.88
  5. Step 5: Solve for x
    x = 482,239,739,420.88/589,068.20
  6. Step 6: Final answer
    x = 818,648.40

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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.