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Finding the Fourth Proportional to 504,709,369.60, 757,134,913.20 and 159,627,013.60

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Solution

The fourth proportional to 504,709,369.60, 757,134,913.20 and 159,627,013.60 is: 239,462,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,709,369.60 : 757,134,913.20 = 159,627,013.60 : x
  2. Step 2: Convert to fraction form
    504,709,369.60/757,134,913.20 = 159,627,013.60/x
  3. Step 3: Cross multiply
    504,709,369.60x = 757,134,913.20 × 159,627,013.60
  4. Step 4: Simplify right side
    504,709,369.60x = 120,859,185,086,411,216
  5. Step 5: Solve for x
    x = 120,859,185,086,411,216/504,709,369.60
  6. Step 6: Final answer
    x = 239,462,931.28

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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.