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Finding the Fourth Proportional to 304,009.80, 419,559.41 and 176,677.19

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Solution

The fourth proportional to 304,009.80, 419,559.41 and 176,677.19 is: 243,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,009.80 : 419,559.41 = 176,677.19 : x
  2. Step 2: Convert to fraction form
    304,009.80/419,559.41 = 176,677.19/x
  3. Step 3: Cross multiply
    304,009.80x = 419,559.41 × 176,677.19
  4. Step 4: Simplify right side
    304,009.80x = 74,126,577,596.86
  5. Step 5: Solve for x
    x = 74,126,577,596.86/304,009.80
  6. Step 6: Final answer
    x = 243,829.57

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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.