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Finding the Fourth Proportional to 277,649.12, 416,053.20 and 183,818.72

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Solution

The fourth proportional to 277,649.12, 416,053.20 and 183,818.72 is: 275,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,649.12 : 416,053.20 = 183,818.72 : x
  2. Step 2: Convert to fraction form
    277,649.12/416,053.20 = 183,818.72/x
  3. Step 3: Cross multiply
    277,649.12x = 416,053.20 × 183,818.72
  4. Step 4: Simplify right side
    277,649.12x = 76,478,366,675.90
  5. Step 5: Solve for x
    x = 76,478,366,675.90/277,649.12
  6. Step 6: Final answer
    x = 275,449.70

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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.