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Finding the Fourth Proportional to 599,128.06, 826,597.56 and 395,280.22

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Solution

The fourth proportional to 599,128.06, 826,597.56 and 395,280.22 is: 545,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,128.06 : 826,597.56 = 395,280.22 : x
  2. Step 2: Convert to fraction form
    599,128.06/826,597.56 = 395,280.22/x
  3. Step 3: Cross multiply
    599,128.06x = 826,597.56 × 395,280.22
  4. Step 4: Simplify right side
    599,128.06x = 326,737,665,368.26
  5. Step 5: Solve for x
    x = 326,737,665,368.26/599,128.06
  6. Step 6: Final answer
    x = 545,355.30

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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.