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Finding the Fourth Proportional to 577,470,632.40, 866,205,948.60 and 441,421,736.40

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Solution

The fourth proportional to 577,470,632.40, 866,205,948.60 and 441,421,736.40 is: 662,132,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,470,632.40 : 866,205,948.60 = 441,421,736.40 : x
  2. Step 2: Convert to fraction form
    577,470,632.40/866,205,948.60 = 441,421,736.40/x
  3. Step 3: Cross multiply
    577,470,632.40x = 866,205,948.60 × 441,421,736.40
  4. Step 4: Simplify right side
    577,470,632.40x = 382,362,133,911,021,120
  5. Step 5: Solve for x
    x = 382,362,133,911,021,120/577,470,632.40
  6. Step 6: Final answer
    x = 662,132,604.60

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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.