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Finding the Fourth Proportional to 633,570.48, 874,304.82 and 347,087.88

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Solution

The fourth proportional to 633,570.48, 874,304.82 and 347,087.88 is: 478,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,570.48 : 874,304.82 = 347,087.88 : x
  2. Step 2: Convert to fraction form
    633,570.48/874,304.82 = 347,087.88/x
  3. Step 3: Cross multiply
    633,570.48x = 874,304.82 × 347,087.88
  4. Step 4: Simplify right side
    633,570.48x = 303,460,606,447.58
  5. Step 5: Solve for x
    x = 303,460,606,447.58/633,570.48
  6. Step 6: Final answer
    x = 478,968.98

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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.