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Finding the Fourth Proportional to 651,998.16, 899,800.65 and 365,536.80

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Solution

The fourth proportional to 651,998.16, 899,800.65 and 365,536.80 is: 504,465.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,998.16 : 899,800.65 = 365,536.80 : x
  2. Step 2: Convert to fraction form
    651,998.16/899,800.65 = 365,536.80/x
  3. Step 3: Cross multiply
    651,998.16x = 899,800.65 × 365,536.80
  4. Step 4: Simplify right side
    651,998.16x = 328,910,250,238.92
  5. Step 5: Solve for x
    x = 328,910,250,238.92/651,998.16
  6. Step 6: Final answer
    x = 504,465.00

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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.