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Finding the Fourth Proportional to 362,409.05, 543,613.58 and 334,415.45

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Solution

The fourth proportional to 362,409.05, 543,613.58 and 334,415.45 is: 501,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,409.05 : 543,613.58 = 334,415.45 : x
  2. Step 2: Convert to fraction form
    362,409.05/543,613.58 = 334,415.45/x
  3. Step 3: Cross multiply
    362,409.05x = 543,613.58 × 334,415.45
  4. Step 4: Simplify right side
    362,409.05x = 181,792,778,309.73
  5. Step 5: Solve for x
    x = 181,792,778,309.73/362,409.05
  6. Step 6: Final answer
    x = 501,623.18

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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.