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Finding the Fourth Proportional to 480,603.44, 663,136.74 and 265,701.94

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Solution

The fourth proportional to 480,603.44, 663,136.74 and 265,701.94 is: 366,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,603.44 : 663,136.74 = 265,701.94 : x
  2. Step 2: Convert to fraction form
    480,603.44/663,136.74 = 265,701.94/x
  3. Step 3: Cross multiply
    480,603.44x = 663,136.74 × 265,701.94
  4. Step 4: Simplify right side
    480,603.44x = 176,196,716,645.43
  5. Step 5: Solve for x
    x = 176,196,716,645.43/480,603.44
  6. Step 6: Final answer
    x = 366,615.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.