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Finding the Fourth Proportional to 437,417.58, 656,126.38 and 104,993.58

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Solution

The fourth proportional to 437,417.58, 656,126.38 and 104,993.58 is: 157,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,417.58 : 656,126.38 = 104,993.58 : x
  2. Step 2: Convert to fraction form
    437,417.58/656,126.38 = 104,993.58/x
  3. Step 3: Cross multiply
    437,417.58x = 656,126.38 × 104,993.58
  4. Step 4: Simplify right side
    437,417.58x = 68,889,060,160.36
  5. Step 5: Solve for x
    x = 68,889,060,160.36/437,417.58
  6. Step 6: Final answer
    x = 157,490.38

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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.