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Finding the Fourth Proportional to 452,164.55, 623,859.23 and 291,112.85

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Solution

The fourth proportional to 452,164.55, 623,859.23 and 291,112.85 is: 401,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,164.55 : 623,859.23 = 291,112.85 : x
  2. Step 2: Convert to fraction form
    452,164.55/623,859.23 = 291,112.85/x
  3. Step 3: Cross multiply
    452,164.55x = 623,859.23 × 291,112.85
  4. Step 4: Simplify right side
    452,164.55x = 181,613,440,731.54
  5. Step 5: Solve for x
    x = 181,613,440,731.54/452,164.55
  6. Step 6: Final answer
    x = 401,653.43

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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.