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Finding the Fourth Proportional to 277,511.70, 416,267.55 and 236,177.40

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Solution

The fourth proportional to 277,511.70, 416,267.55 and 236,177.40 is: 354,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,511.70 : 416,267.55 = 236,177.40 : x
  2. Step 2: Convert to fraction form
    277,511.70/416,267.55 = 236,177.40/x
  3. Step 3: Cross multiply
    277,511.70x = 416,267.55 × 236,177.40
  4. Step 4: Simplify right side
    277,511.70x = 98,312,987,663.37
  5. Step 5: Solve for x
    x = 98,312,987,663.37/277,511.70
  6. Step 6: Final answer
    x = 354,266.10

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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.