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Finding the Fourth Proportional to 448,486,543.35, 672,729,815.03 and 448,486,543.35

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Solution

The fourth proportional to 448,486,543.35, 672,729,815.03 and 448,486,543.35 is: 672,729,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,486,543.35 : 672,729,815.03 = 448,486,543.35 : x
  2. Step 2: Convert to fraction form
    448,486,543.35/672,729,815.03 = 448,486,543.35/x
  3. Step 3: Cross multiply
    448,486,543.35x = 672,729,815.03 × 448,486,543.35
  4. Step 4: Simplify right side
    448,486,543.35x = 301,710,269,349,047,168
  5. Step 5: Solve for x
    x = 301,710,269,349,047,168/448,486,543.35
  6. Step 6: Final answer
    x = 672,729,815.03

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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.