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Finding the Fourth Proportional to 307,967,063.63, 424,889,921.72 and 175,713,050.03

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Solution

The fourth proportional to 307,967,063.63, 424,889,921.72 and 175,713,050.03 is: 242,424,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,967,063.63 : 424,889,921.72 = 175,713,050.03 : x
  2. Step 2: Convert to fraction form
    307,967,063.63/424,889,921.72 = 175,713,050.03/x
  3. Step 3: Cross multiply
    307,967,063.63x = 424,889,921.72 × 175,713,050.03
  4. Step 4: Simplify right side
    307,967,063.63x = 74,658,704,070,747,488
  5. Step 5: Solve for x
    x = 74,658,704,070,747,488/307,967,063.63
  6. Step 6: Final answer
    x = 242,424,313.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.