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Finding the Fourth Proportional to 651,010.14, 898,400.44 and 360,630.30

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Solution

The fourth proportional to 651,010.14, 898,400.44 and 360,630.30 is: 497,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,010.14 : 898,400.44 = 360,630.30 : x
  2. Step 2: Convert to fraction form
    651,010.14/898,400.44 = 360,630.30/x
  3. Step 3: Cross multiply
    651,010.14x = 898,400.44 × 360,630.30
  4. Step 4: Simplify right side
    651,010.14x = 323,990,420,197.33
  5. Step 5: Solve for x
    x = 323,990,420,197.33/651,010.14
  6. Step 6: Final answer
    x = 497,673.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.