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Finding the Fourth Proportional to 235,751,797.60, 353,627,696.40 and 197,488,045.60

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Solution

The fourth proportional to 235,751,797.60, 353,627,696.40 and 197,488,045.60 is: 296,232,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,751,797.60 : 353,627,696.40 = 197,488,045.60 : x
  2. Step 2: Convert to fraction form
    235,751,797.60/353,627,696.40 = 197,488,045.60/x
  3. Step 3: Cross multiply
    235,751,797.60x = 353,627,696.40 × 197,488,045.60
  4. Step 4: Simplify right side
    235,751,797.60x = 69,837,242,632,066,152
  5. Step 5: Solve for x
    x = 69,837,242,632,066,152/235,751,797.60
  6. Step 6: Final answer
    x = 296,232,068.40

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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.