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Finding the Fourth Proportional to 370,009.05, 554,673.37 and 133,293.84

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Solution

The fourth proportional to 370,009.05, 554,673.37 and 133,293.84 is: 199,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,009.05 : 554,673.37 = 133,293.84 : x
  2. Step 2: Convert to fraction form
    370,009.05/554,673.37 = 133,293.84/x
  3. Step 3: Cross multiply
    370,009.05x = 554,673.37 × 133,293.84
  4. Step 4: Simplify right side
    370,009.05x = 73,934,543,433.04
  5. Step 5: Solve for x
    x = 73,934,543,433.04/370,009.05
  6. Step 6: Final answer
    x = 199,818.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.