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Finding the Fourth Proportional to 473,216.80, 710,343.60 and 263,264.80

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Solution

The fourth proportional to 473,216.80, 710,343.60 and 263,264.80 is: 395,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,216.80 : 710,343.60 = 263,264.80 : x
  2. Step 2: Convert to fraction form
    473,216.80/710,343.60 = 263,264.80/x
  3. Step 3: Cross multiply
    473,216.80x = 710,343.60 × 263,264.80
  4. Step 4: Simplify right side
    473,216.80x = 187,008,465,785.28
  5. Step 5: Solve for x
    x = 187,008,465,785.28/473,216.80
  6. Step 6: Final answer
    x = 395,185.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.