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Finding the Fourth Proportional to 448,435,266.53, 672,652,899.79 and 448,435,266.53

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Solution

The fourth proportional to 448,435,266.53, 672,652,899.79 and 448,435,266.53 is: 672,652,899.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,435,266.53 : 672,652,899.79 = 448,435,266.53 : x
  2. Step 2: Convert to fraction form
    448,435,266.53/672,652,899.79 = 448,435,266.53/x
  3. Step 3: Cross multiply
    448,435,266.53x = 672,652,899.79 × 448,435,266.53
  4. Step 4: Simplify right side
    448,435,266.53x = 301,641,282,395,021,696
  5. Step 5: Solve for x
    x = 301,641,282,395,021,696/448,435,266.53
  6. Step 6: Final answer
    x = 672,652,899.79

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1.5x scale

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.