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Finding the Fourth Proportional to 570,558,401.60, 855,837,602.40 and 161,609,230.40

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Solution

The fourth proportional to 570,558,401.60, 855,837,602.40 and 161,609,230.40 is: 242,413,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,558,401.60 : 855,837,602.40 = 161,609,230.40 : x
  2. Step 2: Convert to fraction form
    570,558,401.60/855,837,602.40 = 161,609,230.40/x
  3. Step 3: Cross multiply
    570,558,401.60x = 855,837,602.40 × 161,609,230.40
  4. Step 4: Simplify right side
    570,558,401.60x = 138,311,256,271,245,200
  5. Step 5: Solve for x
    x = 138,311,256,271,245,200/570,558,401.60
  6. Step 6: Final answer
    x = 242,413,845.60

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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.