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Finding the Fourth Proportional to 30,283,886.40, 45,425,829.60 and 30,283,886.40

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Solution

The fourth proportional to 30,283,886.40, 45,425,829.60 and 30,283,886.40 is: 45,425,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,283,886.40 : 45,425,829.60 = 30,283,886.40 : x
  2. Step 2: Convert to fraction form
    30,283,886.40/45,425,829.60 = 30,283,886.40/x
  3. Step 3: Cross multiply
    30,283,886.40x = 45,425,829.60 × 30,283,886.40
  4. Step 4: Simplify right side
    30,283,886.40x = 1,375,670,663,232,157.50
  5. Step 5: Solve for x
    x = 1,375,670,663,232,157.50/30,283,886.40
  6. Step 6: Final answer
    x = 45,425,829.60

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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.