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Finding the Fourth Proportional to 606,926,516.80, 910,389,775.20 and 453,871,508.80

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Solution

The fourth proportional to 606,926,516.80, 910,389,775.20 and 453,871,508.80 is: 680,807,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,926,516.80 : 910,389,775.20 = 453,871,508.80 : x
  2. Step 2: Convert to fraction form
    606,926,516.80/910,389,775.20 = 453,871,508.80/x
  3. Step 3: Cross multiply
    606,926,516.80x = 910,389,775.20 × 453,871,508.80
  4. Step 4: Simplify right side
    606,926,516.80x = 413,199,980,866,116,864
  5. Step 5: Solve for x
    x = 413,199,980,866,116,864/606,926,516.80
  6. Step 6: Final answer
    x = 680,807,263.20

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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.