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Finding the Fourth Proportional to 360,590.49, 540,882.50 and 253,532.79

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Solution

The fourth proportional to 360,590.49, 540,882.50 and 253,532.79 is: 380,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,590.49 : 540,882.50 = 253,532.79 : x
  2. Step 2: Convert to fraction form
    360,590.49/540,882.50 = 253,532.79/x
  3. Step 3: Cross multiply
    360,590.49x = 540,882.50 × 253,532.79
  4. Step 4: Simplify right side
    360,590.49x = 137,131,448,019.51
  5. Step 5: Solve for x
    x = 137,131,448,019.51/360,590.49
  6. Step 6: Final answer
    x = 380,296.91

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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.