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Finding the Fourth Proportional to 604,767,428.52, 907,283,442.78 and 195,864,913.32

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Solution

The fourth proportional to 604,767,428.52, 907,283,442.78 and 195,864,913.32 is: 293,840,217.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,767,428.52 : 907,283,442.78 = 195,864,913.32 : x
  2. Step 2: Convert to fraction form
    604,767,428.52/907,283,442.78 = 195,864,913.32/x
  3. Step 3: Cross multiply
    604,767,428.52x = 907,283,442.78 × 195,864,913.32
  4. Step 4: Simplify right side
    604,767,428.52x = 177,704,992,876,775,872
  5. Step 5: Solve for x
    x = 177,704,992,876,775,872/604,767,428.52
  6. Step 6: Final answer
    x = 293,840,217.74

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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.