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Finding the Fourth Proportional to 350,509.39, 483,703.19 and 189,364.35

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Solution

The fourth proportional to 350,509.39, 483,703.19 and 189,364.35 is: 261,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,509.39 : 483,703.19 = 189,364.35 : x
  2. Step 2: Convert to fraction form
    350,509.39/483,703.19 = 189,364.35/x
  3. Step 3: Cross multiply
    350,509.39x = 483,703.19 × 189,364.35
  4. Step 4: Simplify right side
    350,509.39x = 91,596,136,801.94
  5. Step 5: Solve for x
    x = 91,596,136,801.94/350,509.39
  6. Step 6: Final answer
    x = 261,322.92

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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.