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Finding the Fourth Proportional to 562,121.30, 775,509.49 and 358,135.69

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Solution

The fourth proportional to 562,121.30, 775,509.49 and 358,135.69 is: 494,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,121.30 : 775,509.49 = 358,135.69 : x
  2. Step 2: Convert to fraction form
    562,121.30/775,509.49 = 358,135.69/x
  3. Step 3: Cross multiply
    562,121.30x = 775,509.49 × 358,135.69
  4. Step 4: Simplify right side
    562,121.30x = 277,737,626,302.70
  5. Step 5: Solve for x
    x = 277,737,626,302.70/562,121.30
  6. Step 6: Final answer
    x = 494,088.42

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