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Finding the Fourth Proportional to 472,984.16, 708,860.16 and 192,173.12

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Solution

The fourth proportional to 472,984.16, 708,860.16 and 192,173.12 is: 288,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,984.16 : 708,860.16 = 192,173.12 : x
  2. Step 2: Convert to fraction form
    472,984.16/708,860.16 = 192,173.12/x
  3. Step 3: Cross multiply
    472,984.16x = 708,860.16 × 192,173.12
  4. Step 4: Simplify right side
    472,984.16x = 136,223,868,590.90
  5. Step 5: Solve for x
    x = 136,223,868,590.90/472,984.16
  6. Step 6: Final answer
    x = 288,009.37

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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.