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Finding the Fourth Proportional to 294,781,634.56, 441,939,468.93 and 147,153,428.03

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Solution

The fourth proportional to 294,781,634.56, 441,939,468.93 and 147,153,428.03 is: 220,613,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,781,634.56 : 441,939,468.93 = 147,153,428.03 : x
  2. Step 2: Convert to fraction form
    294,781,634.56/441,939,468.93 = 147,153,428.03/x
  3. Step 3: Cross multiply
    294,781,634.56x = 441,939,468.93 × 147,153,428.03
  4. Step 4: Simplify right side
    294,781,634.56x = 65,032,907,832,597,480
  5. Step 5: Solve for x
    x = 65,032,907,832,597,480/294,781,634.56
  6. Step 6: Final answer
    x = 220,613,838.21

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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.