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Finding the Fourth Proportional to 555,750.14, 831,341.64 and 443,649.30

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Solution

The fourth proportional to 555,750.14, 831,341.64 and 443,649.30 is: 663,651.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,750.14 : 831,341.64 = 443,649.30 : x
  2. Step 2: Convert to fraction form
    555,750.14/831,341.64 = 443,649.30/x
  3. Step 3: Cross multiply
    555,750.14x = 831,341.64 × 443,649.30
  4. Step 4: Simplify right side
    555,750.14x = 368,824,136,646.85
  5. Step 5: Solve for x
    x = 368,824,136,646.85/555,750.14
  6. Step 6: Final answer
    x = 663,651.00

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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.