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Finding the Fourth Proportional to 441,194.76, 656,802.36 and 438,570.36

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Solution

The fourth proportional to 441,194.76, 656,802.36 and 438,570.36 is: 652,895.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,194.76 : 656,802.36 = 438,570.36 : x
  2. Step 2: Convert to fraction form
    441,194.76/656,802.36 = 438,570.36/x
  3. Step 3: Cross multiply
    441,194.76x = 656,802.36 × 438,570.36
  4. Step 4: Simplify right side
    441,194.76x = 288,054,047,474.05
  5. Step 5: Solve for x
    x = 288,054,047,474.05/441,194.76
  6. Step 6: Final answer
    x = 652,895.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.