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Finding the Fourth Proportional to 380,279.66, 525,033.51 and 244,365.98

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Solution

The fourth proportional to 380,279.66, 525,033.51 and 244,365.98 is: 337,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,279.66 : 525,033.51 = 244,365.98 : x
  2. Step 2: Convert to fraction form
    380,279.66/525,033.51 = 244,365.98/x
  3. Step 3: Cross multiply
    380,279.66x = 525,033.51 × 244,365.98
  4. Step 4: Simplify right side
    380,279.66x = 128,300,328,203.99
  5. Step 5: Solve for x
    x = 128,300,328,203.99/380,279.66
  6. Step 6: Final answer
    x = 337,384.15

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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.