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Finding the Fourth Proportional to 360,064.46, 539,971.56 and 200,384.06

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Solution

The fourth proportional to 360,064.46, 539,971.56 and 200,384.06 is: 300,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,064.46 : 539,971.56 = 200,384.06 : x
  2. Step 2: Convert to fraction form
    360,064.46/539,971.56 = 200,384.06/x
  3. Step 3: Cross multiply
    360,064.46x = 539,971.56 × 200,384.06
  4. Step 4: Simplify right side
    360,064.46x = 108,201,693,477.33
  5. Step 5: Solve for x
    x = 108,201,693,477.33/360,064.46
  6. Step 6: Final answer
    x = 300,506.45

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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.