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Finding the Fourth Proportional to 706,348.30, 1,059,522.44 and 207,712.30

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Solution

The fourth proportional to 706,348.30, 1,059,522.44 and 207,712.30 is: 311,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,348.30 : 1,059,522.44 = 207,712.30 : x
  2. Step 2: Convert to fraction form
    706,348.30/1,059,522.44 = 207,712.30/x
  3. Step 3: Cross multiply
    706,348.30x = 1,059,522.44 × 207,712.30
  4. Step 4: Simplify right side
    706,348.30x = 220,075,842,914.01
  5. Step 5: Solve for x
    x = 220,075,842,914.01/706,348.30
  6. Step 6: Final answer
    x = 311,568.45

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Similar ratio
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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.