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Finding the Fourth Proportional to 577,330,894.71, 866,253,795.30 and 266,271,243.30

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Solution

The fourth proportional to 577,330,894.71, 866,253,795.30 and 266,271,243.30 is: 399,525,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,330,894.71 : 866,253,795.30 = 266,271,243.30 : x
  2. Step 2: Convert to fraction form
    577,330,894.71/866,253,795.30 = 266,271,243.30/x
  3. Step 3: Cross multiply
    577,330,894.71x = 866,253,795.30 × 266,271,243.30
  4. Step 4: Simplify right side
    577,330,894.71x = 230,658,475,087,874,688
  5. Step 5: Solve for x
    x = 230,658,475,087,874,688/577,330,894.71
  6. Step 6: Final answer
    x = 399,525,605.16

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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.