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Finding the Fourth Proportional to 264,257,551.70, 396,386,327.55 and 264,257,551.70

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Solution

The fourth proportional to 264,257,551.70, 396,386,327.55 and 264,257,551.70 is: 396,386,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,257,551.70 : 396,386,327.55 = 264,257,551.70 : x
  2. Step 2: Convert to fraction form
    264,257,551.70/396,386,327.55 = 264,257,551.70/x
  3. Step 3: Cross multiply
    264,257,551.70x = 396,386,327.55 × 264,257,551.70
  4. Step 4: Simplify right side
    264,257,551.70x = 104,748,080,445,717,264
  5. Step 5: Solve for x
    x = 104,748,080,445,717,264/264,257,551.70
  6. Step 6: Final answer
    x = 396,386,327.55

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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.