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Finding the Fourth Proportional to 633,957.90, 874,860.06 and 347,477.10

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Solution

The fourth proportional to 633,957.90, 874,860.06 and 347,477.10 is: 479,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,957.90 : 874,860.06 = 347,477.10 : x
  2. Step 2: Convert to fraction form
    633,957.90/874,860.06 = 347,477.10/x
  3. Step 3: Cross multiply
    633,957.90x = 874,860.06 × 347,477.10
  4. Step 4: Simplify right side
    633,957.90x = 303,993,836,554.63
  5. Step 5: Solve for x
    x = 303,993,836,554.63/633,957.90
  6. Step 6: Final answer
    x = 479,517.39

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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.