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Finding the Fourth Proportional to 404,803.53, 607,099.32 and 120,417.47

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Solution

The fourth proportional to 404,803.53, 607,099.32 and 120,417.47 is: 180,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,803.53 : 607,099.32 = 120,417.47 : x
  2. Step 2: Convert to fraction form
    404,803.53/607,099.32 = 120,417.47/x
  3. Step 3: Cross multiply
    404,803.53x = 607,099.32 × 120,417.47
  4. Step 4: Simplify right side
    404,803.53x = 73,105,361,117.62
  5. Step 5: Solve for x
    x = 73,105,361,117.62/404,803.53
  6. Step 6: Final answer
    x = 180,594.67

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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.