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Finding the Fourth Proportional to 302,438,432.90, 453,657,649.35 and 302,438,432.90

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Solution

The fourth proportional to 302,438,432.90, 453,657,649.35 and 302,438,432.90 is: 453,657,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,438,432.90 : 453,657,649.35 = 302,438,432.90 : x
  2. Step 2: Convert to fraction form
    302,438,432.90/453,657,649.35 = 302,438,432.90/x
  3. Step 3: Cross multiply
    302,438,432.90x = 453,657,649.35 × 302,438,432.90
  4. Step 4: Simplify right side
    302,438,432.90x = 137,203,508,542,511,696
  5. Step 5: Solve for x
    x = 137,203,508,542,511,696/302,438,432.90
  6. Step 6: Final answer
    x = 453,657,649.35

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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.