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Finding the Fourth Proportional to 343,590.76, 474,139.24 and 190,627.32

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Solution

The fourth proportional to 343,590.76, 474,139.24 and 190,627.32 is: 263,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,590.76 : 474,139.24 = 190,627.32 : x
  2. Step 2: Convert to fraction form
    343,590.76/474,139.24 = 190,627.32/x
  3. Step 3: Cross multiply
    343,590.76x = 474,139.24 × 190,627.32
  4. Step 4: Simplify right side
    343,590.76x = 90,383,891,674.90
  5. Step 5: Solve for x
    x = 90,383,891,674.90/343,590.76
  6. Step 6: Final answer
    x = 263,056.82

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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.