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Finding the Fourth Proportional to 343,588.32, 474,135.87 and 190,624.88

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Solution

The fourth proportional to 343,588.32, 474,135.87 and 190,624.88 is: 263,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,588.32 : 474,135.87 = 190,624.88 : x
  2. Step 2: Convert to fraction form
    343,588.32/474,135.87 = 190,624.88/x
  3. Step 3: Cross multiply
    343,588.32x = 474,135.87 × 190,624.88
  4. Step 4: Simplify right side
    343,588.32x = 90,382,095,222.63
  5. Step 5: Solve for x
    x = 90,382,095,222.63/343,588.32
  6. Step 6: Final answer
    x = 263,053.46

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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.