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Finding the Fourth Proportional to 707,809.60, 993,732.80 and 707,809.60

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Solution

The fourth proportional to 707,809.60, 993,732.80 and 707,809.60 is: 993,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,809.60 : 993,732.80 = 707,809.60 : x
  2. Step 2: Convert to fraction form
    707,809.60/993,732.80 = 707,809.60/x
  3. Step 3: Cross multiply
    707,809.60x = 993,732.80 × 707,809.60
  4. Step 4: Simplify right side
    707,809.60x = 703,373,615,674.88
  5. Step 5: Solve for x
    x = 703,373,615,674.88/707,809.60
  6. Step 6: Final answer
    x = 993,732.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.