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Finding the Fourth Proportional to 616,598.49, 850,669.68 and 374,792.85

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Solution

The fourth proportional to 616,598.49, 850,669.68 and 374,792.85 is: 517,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,598.49 : 850,669.68 = 374,792.85 : x
  2. Step 2: Convert to fraction form
    616,598.49/850,669.68 = 374,792.85/x
  3. Step 3: Cross multiply
    616,598.49x = 850,669.68 × 374,792.85
  4. Step 4: Simplify right side
    616,598.49x = 318,824,913,775.79
  5. Step 5: Solve for x
    x = 318,824,913,775.79/616,598.49
  6. Step 6: Final answer
    x = 517,070.54

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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.