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Finding the Fourth Proportional to 304,009.54, 419,574.84 and 174,945.36

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Solution

The fourth proportional to 304,009.54, 419,574.84 and 174,945.36 is: 241,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,009.54 : 419,574.84 = 174,945.36 : x
  2. Step 2: Convert to fraction form
    304,009.54/419,574.84 = 174,945.36/x
  3. Step 3: Cross multiply
    304,009.54x = 419,574.84 × 174,945.36
  4. Step 4: Simplify right side
    304,009.54x = 73,402,671,430.74
  5. Step 5: Solve for x
    x = 73,402,671,430.74/304,009.54
  6. Step 6: Final answer
    x = 241,448.58

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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.