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Finding the Fourth Proportional to 565,519,502.60, 848,279,253.90 and 156,575,653.10

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Solution

The fourth proportional to 565,519,502.60, 848,279,253.90 and 156,575,653.10 is: 234,863,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,519,502.60 : 848,279,253.90 = 156,575,653.10 : x
  2. Step 2: Convert to fraction form
    565,519,502.60/848,279,253.90 = 156,575,653.10/x
  3. Step 3: Cross multiply
    565,519,502.60x = 848,279,253.90 × 156,575,653.10
  4. Step 4: Simplify right side
    565,519,502.60x = 132,819,878,190,573,216
  5. Step 5: Solve for x
    x = 132,819,878,190,573,216/565,519,502.60
  6. Step 6: Final answer
    x = 234,863,479.65

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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.