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Finding the Fourth Proportional to 360,053.81, 539,955.64 and 200,373.42

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Solution

The fourth proportional to 360,053.81, 539,955.64 and 200,373.42 is: 300,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,053.81 : 539,955.64 = 200,373.42 : x
  2. Step 2: Convert to fraction form
    360,053.81/539,955.64 = 200,373.42/x
  3. Step 3: Cross multiply
    360,053.81x = 539,955.64 × 200,373.42
  4. Step 4: Simplify right side
    360,053.81x = 108,192,759,555.31
  5. Step 5: Solve for x
    x = 108,192,759,555.31/360,053.81
  6. Step 6: Final answer
    x = 300,490.53

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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.