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Finding the Fourth Proportional to 504,007.20, 706,543.20 and 504,007.20

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Solution

The fourth proportional to 504,007.20, 706,543.20 and 504,007.20 is: 706,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,007.20 : 706,543.20 = 504,007.20 : x
  2. Step 2: Convert to fraction form
    504,007.20/706,543.20 = 504,007.20/x
  3. Step 3: Cross multiply
    504,007.20x = 706,543.20 × 504,007.20
  4. Step 4: Simplify right side
    504,007.20x = 356,102,859,911.04
  5. Step 5: Solve for x
    x = 356,102,859,911.04/504,007.20
  6. Step 6: Final answer
    x = 706,543.20

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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.