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Finding the Fourth Proportional to 713,385.80, 1,070,127.30 and 227,029.40

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Solution

The fourth proportional to 713,385.80, 1,070,127.30 and 227,029.40 is: 340,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,385.80 : 1,070,127.30 = 227,029.40 : x
  2. Step 2: Convert to fraction form
    713,385.80/1,070,127.30 = 227,029.40/x
  3. Step 3: Cross multiply
    713,385.80x = 1,070,127.30 × 227,029.40
  4. Step 4: Simplify right side
    713,385.80x = 242,950,358,842.62
  5. Step 5: Solve for x
    x = 242,950,358,842.62/713,385.80
  6. Step 6: Final answer
    x = 340,559.57

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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.