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Finding the Fourth Proportional to 472,169.55, 708,355.52 and 152,339.63

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Solution

The fourth proportional to 472,169.55, 708,355.52 and 152,339.63 is: 228,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,169.55 : 708,355.52 = 152,339.63 : x
  2. Step 2: Convert to fraction form
    472,169.55/708,355.52 = 152,339.63/x
  3. Step 3: Cross multiply
    472,169.55x = 708,355.52 × 152,339.63
  4. Step 4: Simplify right side
    472,169.55x = 107,910,617,825.26
  5. Step 5: Solve for x
    x = 107,910,617,825.26/472,169.55
  6. Step 6: Final answer
    x = 228,542.09

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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.