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Finding the Fourth Proportional to 450,397.32, 675,603.81 and 165,941.45

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Solution

The fourth proportional to 450,397.32, 675,603.81 and 165,941.45 is: 248,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,397.32 : 675,603.81 = 165,941.45 : x
  2. Step 2: Convert to fraction form
    450,397.32/675,603.81 = 165,941.45/x
  3. Step 3: Cross multiply
    450,397.32x = 675,603.81 × 165,941.45
  4. Step 4: Simplify right side
    450,397.32x = 112,110,677,545.93
  5. Step 5: Solve for x
    x = 112,110,677,545.93/450,397.32
  6. Step 6: Final answer
    x = 248,915.06

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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.