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Finding the Fourth Proportional to 560,168,531.69, 773,033,643.48 and 309,273,408.98

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Solution

The fourth proportional to 560,168,531.69, 773,033,643.48 and 309,273,408.98 is: 426,797,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,168,531.69 : 773,033,643.48 = 309,273,408.98 : x
  2. Step 2: Convert to fraction form
    560,168,531.69/773,033,643.48 = 309,273,408.98/x
  3. Step 3: Cross multiply
    560,168,531.69x = 773,033,643.48 × 309,273,408.98
  4. Step 4: Simplify right side
    560,168,531.69x = 239,078,750,178,097,088
  5. Step 5: Solve for x
    x = 239,078,750,178,097,088/560,168,531.69
  6. Step 6: Final answer
    x = 426,797,895.02

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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.