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Finding the Fourth Proportional to 977,114.70, 1,465,672.05 and 737,613.90

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Solution

The fourth proportional to 977,114.70, 1,465,672.05 and 737,613.90 is: 1,106,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,114.70 : 1,465,672.05 = 737,613.90 : x
  2. Step 2: Convert to fraction form
    977,114.70/1,465,672.05 = 737,613.90/x
  3. Step 3: Cross multiply
    977,114.70x = 1,465,672.05 × 737,613.90
  4. Step 4: Simplify right side
    977,114.70x = 1,081,100,076,921.50
  5. Step 5: Solve for x
    x = 1,081,100,076,921.50/977,114.70
  6. Step 6: Final answer
    x = 1,106,420.85

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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.