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Finding the Fourth Proportional to 269,576,329.80, 404,364,494.70 and 147,132,323.40

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Solution

The fourth proportional to 269,576,329.80, 404,364,494.70 and 147,132,323.40 is: 220,698,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,576,329.80 : 404,364,494.70 = 147,132,323.40 : x
  2. Step 2: Convert to fraction form
    269,576,329.80/404,364,494.70 = 147,132,323.40/x
  3. Step 3: Cross multiply
    269,576,329.80x = 404,364,494.70 × 147,132,323.40
  4. Step 4: Simplify right side
    269,576,329.80x = 59,495,087,605,677,984
  5. Step 5: Solve for x
    x = 59,495,087,605,677,984/269,576,329.80
  6. Step 6: Final answer
    x = 220,698,485.10

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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.