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Finding the Fourth Proportional to 525,552.79, 785,449.22 and 383,696.77

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Solution

The fourth proportional to 525,552.79, 785,449.22 and 383,696.77 is: 573,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,552.79 : 785,449.22 = 383,696.77 : x
  2. Step 2: Convert to fraction form
    525,552.79/785,449.22 = 383,696.77/x
  3. Step 3: Cross multiply
    525,552.79x = 785,449.22 × 383,696.77
  4. Step 4: Simplify right side
    525,552.79x = 301,374,328,713.02
  5. Step 5: Solve for x
    x = 301,374,328,713.02/525,552.79
  6. Step 6: Final answer
    x = 573,442.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.