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Finding the Fourth Proportional to 713,083.20, 1,069,624.80 and 601,108.80

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Solution

The fourth proportional to 713,083.20, 1,069,624.80 and 601,108.80 is: 901,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,083.20 : 1,069,624.80 = 601,108.80 : x
  2. Step 2: Convert to fraction form
    713,083.20/1,069,624.80 = 601,108.80/x
  3. Step 3: Cross multiply
    713,083.20x = 1,069,624.80 × 601,108.80
  4. Step 4: Simplify right side
    713,083.20x = 642,960,879,978.24
  5. Step 5: Solve for x
    x = 642,960,879,978.24/713,083.20
  6. Step 6: Final answer
    x = 901,663.20

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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.