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Finding the Fourth Proportional to 473,003.10, 709,504.65 and 248,276.70

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Solution

The fourth proportional to 473,003.10, 709,504.65 and 248,276.70 is: 372,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,003.10 : 709,504.65 = 248,276.70 : x
  2. Step 2: Convert to fraction form
    473,003.10/709,504.65 = 248,276.70/x
  3. Step 3: Cross multiply
    473,003.10x = 709,504.65 × 248,276.70
  4. Step 4: Simplify right side
    473,003.10x = 176,153,473,136.66
  5. Step 5: Solve for x
    x = 176,153,473,136.66/473,003.10
  6. Step 6: Final answer
    x = 372,415.05

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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.