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Finding the Fourth Proportional to 303,603.04, 455,682.39 and 153,946.63

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Solution

The fourth proportional to 303,603.04, 455,682.39 and 153,946.63 is: 231,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,603.04 : 455,682.39 = 153,946.63 : x
  2. Step 2: Convert to fraction form
    303,603.04/455,682.39 = 153,946.63/x
  3. Step 3: Cross multiply
    303,603.04x = 455,682.39 × 153,946.63
  4. Step 4: Simplify right side
    303,603.04x = 70,150,768,290.85
  5. Step 5: Solve for x
    x = 70,150,768,290.85/303,603.04
  6. Step 6: Final answer
    x = 231,060.82

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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.