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Finding the Fourth Proportional to 713,104.20, 1,069,656.30 and 554,473.80

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Solution

The fourth proportional to 713,104.20, 1,069,656.30 and 554,473.80 is: 831,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,104.20 : 1,069,656.30 = 554,473.80 : x
  2. Step 2: Convert to fraction form
    713,104.20/1,069,656.30 = 554,473.80/x
  3. Step 3: Cross multiply
    713,104.20x = 1,069,656.30 × 554,473.80
  4. Step 4: Simplify right side
    713,104.20x = 593,096,393,354.94
  5. Step 5: Solve for x
    x = 593,096,393,354.94/713,104.20
  6. Step 6: Final answer
    x = 831,710.70

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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.