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Finding the Fourth Proportional to 632,743.70, 873,051.27 and 374,701.70

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Solution

The fourth proportional to 632,743.70, 873,051.27 and 374,701.70 is: 517,008.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,743.70 : 873,051.27 = 374,701.70 : x
  2. Step 2: Convert to fraction form
    632,743.70/873,051.27 = 374,701.70/x
  3. Step 3: Cross multiply
    632,743.70x = 873,051.27 × 374,701.70
  4. Step 4: Simplify right side
    632,743.70x = 327,133,795,056.16
  5. Step 5: Solve for x
    x = 327,133,795,056.16/632,743.70
  6. Step 6: Final answer
    x = 517,008.38

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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.