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Finding the Fourth Proportional to 293,572,330.80, 440,698,501.80 and 157,523,434.80

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Solution

The fourth proportional to 293,572,330.80, 440,698,501.80 and 157,523,434.80 is: 236,467,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,572,330.80 : 440,698,501.80 = 157,523,434.80 : x
  2. Step 2: Convert to fraction form
    293,572,330.80/440,698,501.80 = 157,523,434.80/x
  3. Step 3: Cross multiply
    293,572,330.80x = 440,698,501.80 × 157,523,434.80
  4. Step 4: Simplify right side
    293,572,330.80x = 69,420,341,714,749,992
  5. Step 5: Solve for x
    x = 69,420,341,714,749,992/293,572,330.80
  6. Step 6: Final answer
    x = 236,467,590.54

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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.