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Finding the Fourth Proportional to 370,649.52, 556,039.89 and 134,322.30

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Solution

The fourth proportional to 370,649.52, 556,039.89 and 134,322.30 is: 201,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,649.52 : 556,039.89 = 134,322.30 : x
  2. Step 2: Convert to fraction form
    370,649.52/556,039.89 = 134,322.30/x
  3. Step 3: Cross multiply
    370,649.52x = 556,039.89 × 134,322.30
  4. Step 4: Simplify right side
    370,649.52x = 74,688,556,916.55
  5. Step 5: Solve for x
    x = 74,688,556,916.55/370,649.52
  6. Step 6: Final answer
    x = 201,507.23

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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.