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Finding the Fourth Proportional to 303,667.66, 419,112.65 and 176,417.07

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Solution

The fourth proportional to 303,667.66, 419,112.65 and 176,417.07 is: 243,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,667.66 : 419,112.65 = 176,417.07 : x
  2. Step 2: Convert to fraction form
    303,667.66/419,112.65 = 176,417.07/x
  3. Step 3: Cross multiply
    303,667.66x = 419,112.65 × 176,417.07
  4. Step 4: Simplify right side
    303,667.66x = 73,938,625,712.94
  5. Step 5: Solve for x
    x = 73,938,625,712.94/303,667.66
  6. Step 6: Final answer
    x = 243,485.35

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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.