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Finding the Fourth Proportional to 476,553.62, 657,763 and 295,156.82

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Solution

The fourth proportional to 476,553.62, 657,763 and 295,156.82 is: 407,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,553.62 : 657,763 = 295,156.82 : x
  2. Step 2: Convert to fraction form
    476,553.62/657,763 = 295,156.82/x
  3. Step 3: Cross multiply
    476,553.62x = 657,763 × 295,156.82
  4. Step 4: Simplify right side
    476,553.62x = 194,143,235,393.66
  5. Step 5: Solve for x
    x = 194,143,235,393.66/476,553.62
  6. Step 6: Final answer
    x = 407,390.12

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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.