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Finding the Fourth Proportional to 603,614,445.15, 905,421,667.73 and 603,614,445.15

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Solution

The fourth proportional to 603,614,445.15, 905,421,667.73 and 603,614,445.15 is: 905,421,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,614,445.15 : 905,421,667.73 = 603,614,445.15 : x
  2. Step 2: Convert to fraction form
    603,614,445.15/905,421,667.73 = 603,614,445.15/x
  3. Step 3: Cross multiply
    603,614,445.15x = 905,421,667.73 × 603,614,445.15
  4. Step 4: Simplify right side
    603,614,445.15x = 546,525,597,590,613,504
  5. Step 5: Solve for x
    x = 546,525,597,590,613,504/603,614,445.15
  6. Step 6: Final answer
    x = 905,421,667.73

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Double scale
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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.