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Finding the Fourth Proportional to 329,149,969.10, 493,724,953.65 and 299,017,264.40

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Solution

The fourth proportional to 329,149,969.10, 493,724,953.65 and 299,017,264.40 is: 448,525,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,149,969.10 : 493,724,953.65 = 299,017,264.40 : x
  2. Step 2: Convert to fraction form
    329,149,969.10/493,724,953.65 = 299,017,264.40/x
  3. Step 3: Cross multiply
    329,149,969.10x = 493,724,953.65 × 299,017,264.40
  4. Step 4: Simplify right side
    329,149,969.10x = 147,632,285,006,439,776
  5. Step 5: Solve for x
    x = 147,632,285,006,439,776/329,149,969.10
  6. Step 6: Final answer
    x = 448,525,896.60

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Similar ratio
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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.