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Finding the Fourth Proportional to 617,706,879.60, 926,559,575.82 and 157,645,098.12

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Solution

The fourth proportional to 617,706,879.60, 926,559,575.82 and 157,645,098.12 is: 236,467,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,706,879.60 : 926,559,575.82 = 157,645,098.12 : x
  2. Step 2: Convert to fraction form
    617,706,879.60/926,559,575.82 = 157,645,098.12/x
  3. Step 3: Cross multiply
    617,706,879.60x = 926,559,575.82 × 157,645,098.12
  4. Step 4: Simplify right side
    617,706,879.60x = 146,067,575,244,169,504
  5. Step 5: Solve for x
    x = 146,067,575,244,169,504/617,706,879.60
  6. Step 6: Final answer
    x = 236,467,457.41

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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.