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Finding the Fourth Proportional to 284,877,416.40, 399,735,375.60 and 284,877,416.40

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Solution

The fourth proportional to 284,877,416.40, 399,735,375.60 and 284,877,416.40 is: 399,735,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,877,416.40 : 399,735,375.60 = 284,877,416.40 : x
  2. Step 2: Convert to fraction form
    284,877,416.40/399,735,375.60 = 284,877,416.40/x
  3. Step 3: Cross multiply
    284,877,416.40x = 399,735,375.60 × 284,877,416.40
  4. Step 4: Simplify right side
    284,877,416.40x = 113,875,581,044,611,600
  5. Step 5: Solve for x
    x = 113,875,581,044,611,600/284,877,416.40
  6. Step 6: Final answer
    x = 399,735,375.60

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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.