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Finding the Fourth Proportional to 277,673.20, 415,926.60 and 152,868.40

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Solution

The fourth proportional to 277,673.20, 415,926.60 and 152,868.40 is: 228,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,673.20 : 415,926.60 = 152,868.40 : x
  2. Step 2: Convert to fraction form
    277,673.20/415,926.60 = 152,868.40/x
  3. Step 3: Cross multiply
    277,673.20x = 415,926.60 × 152,868.40
  4. Step 4: Simplify right side
    277,673.20x = 63,582,033,859.44
  5. Step 5: Solve for x
    x = 63,582,033,859.44/277,673.20
  6. Step 6: Final answer
    x = 228,981.53

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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.