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Finding the Fourth Proportional to 258,737.01, 357,003.21 and 151,286.19

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Solution

The fourth proportional to 258,737.01, 357,003.21 and 151,286.19 is: 208,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,737.01 : 357,003.21 = 151,286.19 : x
  2. Step 2: Convert to fraction form
    258,737.01/357,003.21 = 151,286.19/x
  3. Step 3: Cross multiply
    258,737.01x = 357,003.21 × 151,286.19
  4. Step 4: Simplify right side
    258,737.01x = 54,009,655,458.67
  5. Step 5: Solve for x
    x = 54,009,655,458.67/258,737.01
  6. Step 6: Final answer
    x = 208,743.45

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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.