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Finding the Fourth Proportional to 472,182.72, 708,412.25 and 152,328.43

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Solution

The fourth proportional to 472,182.72, 708,412.25 and 152,328.43 is: 228,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,182.72 : 708,412.25 = 152,328.43 : x
  2. Step 2: Convert to fraction form
    472,182.72/708,412.25 = 152,328.43/x
  3. Step 3: Cross multiply
    472,182.72x = 708,412.25 × 152,328.43
  4. Step 4: Simplify right side
    472,182.72x = 107,911,325,835.27
  5. Step 5: Solve for x
    x = 107,911,325,835.27/472,182.72
  6. Step 6: Final answer
    x = 228,537.22

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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.