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Finding the Fourth Proportional to 603,572,315.04, 905,709,814.20 and 253,793,070.36

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Solution

The fourth proportional to 603,572,315.04, 905,709,814.20 and 253,793,070.36 is: 380,837,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,572,315.04 : 905,709,814.20 = 253,793,070.36 : x
  2. Step 2: Convert to fraction form
    603,572,315.04/905,709,814.20 = 253,793,070.36/x
  3. Step 3: Cross multiply
    603,572,315.04x = 905,709,814.20 × 253,793,070.36
  4. Step 4: Simplify right side
    603,572,315.04x = 229,862,874,601,003,168
  5. Step 5: Solve for x
    x = 229,862,874,601,003,168/603,572,315.04
  6. Step 6: Final answer
    x = 380,837,339.41

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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.