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Finding the Fourth Proportional to 633,444.39, 874,153.50 and 346,969.26

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Solution

The fourth proportional to 633,444.39, 874,153.50 and 346,969.26 is: 478,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,444.39 : 874,153.50 = 346,969.26 : x
  2. Step 2: Convert to fraction form
    633,444.39/874,153.50 = 346,969.26/x
  3. Step 3: Cross multiply
    633,444.39x = 874,153.50 × 346,969.26
  4. Step 4: Simplify right side
    633,444.39x = 303,304,393,021.41
  5. Step 5: Solve for x
    x = 303,304,393,021.41/633,444.39
  6. Step 6: Final answer
    x = 478,817.71

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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.