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Finding the Fourth Proportional to 577,470,124.40, 866,205,186.60 and 441,421,228.40

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Solution

The fourth proportional to 577,470,124.40, 866,205,186.60 and 441,421,228.40 is: 662,131,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,470,124.40 : 866,205,186.60 = 441,421,228.40 : x
  2. Step 2: Convert to fraction form
    577,470,124.40/866,205,186.60 = 441,421,228.40/x
  3. Step 3: Cross multiply
    577,470,124.40x = 866,205,186.60 × 441,421,228.40
  4. Step 4: Simplify right side
    577,470,124.40x = 382,361,357,515,423,232
  5. Step 5: Solve for x
    x = 382,361,357,515,423,232/577,470,124.40
  6. Step 6: Final answer
    x = 662,131,842.60

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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.