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Finding the Fourth Proportional to 371,230.20, 556,845.30 and 277,918.20

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Solution

The fourth proportional to 371,230.20, 556,845.30 and 277,918.20 is: 416,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,230.20 : 556,845.30 = 277,918.20 : x
  2. Step 2: Convert to fraction form
    371,230.20/556,845.30 = 277,918.20/x
  3. Step 3: Cross multiply
    371,230.20x = 556,845.30 × 277,918.20
  4. Step 4: Simplify right side
    371,230.20x = 154,757,443,454.46
  5. Step 5: Solve for x
    x = 154,757,443,454.46/371,230.20
  6. Step 6: Final answer
    x = 416,877.30

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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.