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Finding the Fourth Proportional to 365,725.32, 504,798.66 and 343,421.16

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Solution

The fourth proportional to 365,725.32, 504,798.66 and 343,421.16 is: 474,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,725.32 : 504,798.66 = 343,421.16 : x
  2. Step 2: Convert to fraction form
    365,725.32/504,798.66 = 343,421.16/x
  3. Step 3: Cross multiply
    365,725.32x = 504,798.66 × 343,421.16
  4. Step 4: Simplify right side
    365,725.32x = 173,358,541,383.65
  5. Step 5: Solve for x
    x = 173,358,541,383.65/365,725.32
  6. Step 6: Final answer
    x = 474,012.96

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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.