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Finding the Fourth Proportional to 277,668.51, 383,160.45 and 156,821.58

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Solution

The fourth proportional to 277,668.51, 383,160.45 and 156,821.58 is: 216,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,668.51 : 383,160.45 = 156,821.58 : x
  2. Step 2: Convert to fraction form
    277,668.51/383,160.45 = 156,821.58/x
  3. Step 3: Cross multiply
    277,668.51x = 383,160.45 × 156,821.58
  4. Step 4: Simplify right side
    277,668.51x = 60,087,827,162.51
  5. Step 5: Solve for x
    x = 60,087,827,162.51/277,668.51
  6. Step 6: Final answer
    x = 216,401.30

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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.