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Finding the Fourth Proportional to 616,792.85, 850,916.28 and 480,590.33

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Solution

The fourth proportional to 616,792.85, 850,916.28 and 480,590.33 is: 663,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,792.85 : 850,916.28 = 480,590.33 : x
  2. Step 2: Convert to fraction form
    616,792.85/850,916.28 = 480,590.33/x
  3. Step 3: Cross multiply
    616,792.85x = 850,916.28 × 480,590.33
  4. Step 4: Simplify right side
    616,792.85x = 408,942,131,552.99
  5. Step 5: Solve for x
    x = 408,942,131,552.99/616,792.85
  6. Step 6: Final answer
    x = 663,013.74

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1.5x scale

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.