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Finding the Fourth Proportional to 295,955,409.60, 443,933,114.40 and 77,605,329.60

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Solution

The fourth proportional to 295,955,409.60, 443,933,114.40 and 77,605,329.60 is: 116,407,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,955,409.60 : 443,933,114.40 = 77,605,329.60 : x
  2. Step 2: Convert to fraction form
    295,955,409.60/443,933,114.40 = 77,605,329.60/x
  3. Step 3: Cross multiply
    295,955,409.60x = 443,933,114.40 × 77,605,329.60
  4. Step 4: Simplify right side
    295,955,409.60x = 34,451,575,663,366,500
  5. Step 5: Solve for x
    x = 34,451,575,663,366,500/295,955,409.60
  6. Step 6: Final answer
    x = 116,407,994.40

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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.