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Finding the Fourth Proportional to 598,603.60, 826,090.38 and 326,688.98

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Solution

The fourth proportional to 598,603.60, 826,090.38 and 326,688.98 is: 450,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,603.60 : 826,090.38 = 326,688.98 : x
  2. Step 2: Convert to fraction form
    598,603.60/826,090.38 = 326,688.98/x
  3. Step 3: Cross multiply
    598,603.60x = 826,090.38 × 326,688.98
  4. Step 4: Simplify right side
    598,603.60x = 269,874,623,630.01
  5. Step 5: Solve for x
    x = 269,874,623,630.01/598,603.60
  6. Step 6: Final answer
    x = 450,840.30

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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.