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Finding the Fourth Proportional to 577,369,193.40, 866,053,790.10 and 370,744,932.60

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Solution

The fourth proportional to 577,369,193.40, 866,053,790.10 and 370,744,932.60 is: 556,117,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,369,193.40 : 866,053,790.10 = 370,744,932.60 : x
  2. Step 2: Convert to fraction form
    577,369,193.40/866,053,790.10 = 370,744,932.60/x
  3. Step 3: Cross multiply
    577,369,193.40x = 866,053,790.10 × 370,744,932.60
  4. Step 4: Simplify right side
    577,369,193.40x = 321,085,054,038,599,104
  5. Step 5: Solve for x
    x = 321,085,054,038,599,104/577,369,193.40
  6. Step 6: Final answer
    x = 556,117,398.90

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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.