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Finding the Fourth Proportional to 503,440.72, 755,160.14 and 148,703.84

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Solution

The fourth proportional to 503,440.72, 755,160.14 and 148,703.84 is: 223,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,440.72 : 755,160.14 = 148,703.84 : x
  2. Step 2: Convert to fraction form
    503,440.72/755,160.14 = 148,703.84/x
  3. Step 3: Cross multiply
    503,440.72x = 755,160.14 × 148,703.84
  4. Step 4: Simplify right side
    503,440.72x = 112,295,212,632.94
  5. Step 5: Solve for x
    x = 112,295,212,632.94/503,440.72
  6. Step 6: Final answer
    x = 223,055.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.