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Finding the Fourth Proportional to 326,712,492.40, 457,737,611.60 and 326,712,492.40

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Solution

The fourth proportional to 326,712,492.40, 457,737,611.60 and 326,712,492.40 is: 457,737,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,712,492.40 : 457,737,611.60 = 326,712,492.40 : x
  2. Step 2: Convert to fraction form
    326,712,492.40/457,737,611.60 = 326,712,492.40/x
  3. Step 3: Cross multiply
    326,712,492.40x = 457,737,611.60 × 326,712,492.40
  4. Step 4: Simplify right side
    326,712,492.40x = 149,548,595,951,059,136
  5. Step 5: Solve for x
    x = 149,548,595,951,059,136/326,712,492.40
  6. Step 6: Final answer
    x = 457,737,611.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.