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Finding the Fourth Proportional to 452,016.34, 624,202.67 and 291,147.91

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Solution

The fourth proportional to 452,016.34, 624,202.67 and 291,147.91 is: 402,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,016.34 : 624,202.67 = 291,147.91 : x
  2. Step 2: Convert to fraction form
    452,016.34/624,202.67 = 291,147.91/x
  3. Step 3: Cross multiply
    452,016.34x = 624,202.67 × 291,147.91
  4. Step 4: Simplify right side
    452,016.34x = 181,735,302,786.92
  5. Step 5: Solve for x
    x = 181,735,302,786.92/452,016.34
  6. Step 6: Final answer
    x = 402,054.72

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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.