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Finding the Fourth Proportional to 437,417.80, 656,126.71 and 104,993.80

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Solution

The fourth proportional to 437,417.80, 656,126.71 and 104,993.80 is: 157,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,417.80 : 656,126.71 = 104,993.80 : x
  2. Step 2: Convert to fraction form
    437,417.80/656,126.71 = 104,993.80/x
  3. Step 3: Cross multiply
    437,417.80x = 656,126.71 × 104,993.80
  4. Step 4: Simplify right side
    437,417.80x = 68,889,232,758.80
  5. Step 5: Solve for x
    x = 68,889,232,758.80/437,417.80
  6. Step 6: Final answer
    x = 157,490.70

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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.