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Finding the Fourth Proportional to 472,352.52, 708,529.54 and 143,720.24

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Solution

The fourth proportional to 472,352.52, 708,529.54 and 143,720.24 is: 215,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,352.52 : 708,529.54 = 143,720.24 : x
  2. Step 2: Convert to fraction form
    472,352.52/708,529.54 = 143,720.24/x
  3. Step 3: Cross multiply
    472,352.52x = 708,529.54 × 143,720.24
  4. Step 4: Simplify right side
    472,352.52x = 101,830,035,535.89
  5. Step 5: Solve for x
    x = 101,830,035,535.89/472,352.52
  6. Step 6: Final answer
    x = 215,580.59

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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.