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Finding the Fourth Proportional to 577,368,504.70, 866,052,757.05 and 146,547,000.70

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Solution

The fourth proportional to 577,368,504.70, 866,052,757.05 and 146,547,000.70 is: 219,820,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,504.70 : 866,052,757.05 = 146,547,000.70 : x
  2. Step 2: Convert to fraction form
    577,368,504.70/866,052,757.05 = 146,547,000.70/x
  3. Step 3: Cross multiply
    577,368,504.70x = 866,052,757.05 × 146,547,000.70
  4. Step 4: Simplify right side
    577,368,504.70x = 126,917,433,993,643,264
  5. Step 5: Solve for x
    x = 126,917,433,993,643,264/577,368,504.70
  6. Step 6: Final answer
    x = 219,820,501.05

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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.