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Finding the Fourth Proportional to 517,956,752.80, 776,935,129.20 and 354,698,077.60

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Solution

The fourth proportional to 517,956,752.80, 776,935,129.20 and 354,698,077.60 is: 532,047,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,956,752.80 : 776,935,129.20 = 354,698,077.60 : x
  2. Step 2: Convert to fraction form
    517,956,752.80/776,935,129.20 = 354,698,077.60/x
  3. Step 3: Cross multiply
    517,956,752.80x = 776,935,129.20 × 354,698,077.60
  4. Step 4: Simplify right side
    517,956,752.80x = 275,577,396,747,147,648
  5. Step 5: Solve for x
    x = 275,577,396,747,147,648/517,956,752.80
  6. Step 6: Final answer
    x = 532,047,116.40

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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.