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Finding the Fourth Proportional to 366,935.55, 512,603.85 and 366,935.55

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Solution

The fourth proportional to 366,935.55, 512,603.85 and 366,935.55 is: 512,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,935.55 : 512,603.85 = 366,935.55 : x
  2. Step 2: Convert to fraction form
    366,935.55/512,603.85 = 366,935.55/x
  3. Step 3: Cross multiply
    366,935.55x = 512,603.85 × 366,935.55
  4. Step 4: Simplify right side
    366,935.55x = 188,092,575,631.87
  5. Step 5: Solve for x
    x = 188,092,575,631.87/366,935.55
  6. Step 6: Final answer
    x = 512,603.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.