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Finding the Fourth Proportional to 297,872,448.60, 446,808,672.90 and 79,522,368.60

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Solution

The fourth proportional to 297,872,448.60, 446,808,672.90 and 79,522,368.60 is: 119,283,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,872,448.60 : 446,808,672.90 = 79,522,368.60 : x
  2. Step 2: Convert to fraction form
    297,872,448.60/446,808,672.90 = 79,522,368.60/x
  3. Step 3: Cross multiply
    297,872,448.60x = 446,808,672.90 × 79,522,368.60
  4. Step 4: Simplify right side
    297,872,448.60x = 35,531,283,980,030,628
  5. Step 5: Solve for x
    x = 35,531,283,980,030,628/297,872,448.60
  6. Step 6: Final answer
    x = 119,283,552.90

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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.