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Finding the Fourth Proportional to 275,676,613.70, 413,514,920.55 and 173,639,941.70

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Solution

The fourth proportional to 275,676,613.70, 413,514,920.55 and 173,639,941.70 is: 260,459,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,676,613.70 : 413,514,920.55 = 173,639,941.70 : x
  2. Step 2: Convert to fraction form
    275,676,613.70/413,514,920.55 = 173,639,941.70/x
  3. Step 3: Cross multiply
    275,676,613.70x = 413,514,920.55 × 173,639,941.70
  4. Step 4: Simplify right side
    275,676,613.70x = 71,802,706,696,382,128
  5. Step 5: Solve for x
    x = 71,802,706,696,382,128/275,676,613.70
  6. Step 6: Final answer
    x = 260,459,912.55

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1.5x scale

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.