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Finding the Fourth Proportional to 3,784,017.80, 5,676,026.70 and 1,539,000.20

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Solution

The fourth proportional to 3,784,017.80, 5,676,026.70 and 1,539,000.20 is: 2,308,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,017.80 : 5,676,026.70 = 1,539,000.20 : x
  2. Step 2: Convert to fraction form
    3,784,017.80/5,676,026.70 = 1,539,000.20/x
  3. Step 3: Cross multiply
    3,784,017.80x = 5,676,026.70 × 1,539,000.20
  4. Step 4: Simplify right side
    3,784,017.80x = 8,735,406,226,505.34
  5. Step 5: Solve for x
    x = 8,735,406,226,505.34/3,784,017.80
  6. Step 6: Final answer
    x = 2,308,500.30

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Similar ratio
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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.