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Finding the Fourth Proportional to 651,762.77, 899,431.43 and 365,282.78

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Solution

The fourth proportional to 651,762.77, 899,431.43 and 365,282.78 is: 504,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,762.77 : 899,431.43 = 365,282.78 : x
  2. Step 2: Convert to fraction form
    651,762.77/899,431.43 = 365,282.78/x
  3. Step 3: Cross multiply
    651,762.77x = 899,431.43 × 365,282.78
  4. Step 4: Simplify right side
    651,762.77x = 328,546,806,846.20
  5. Step 5: Solve for x
    x = 328,546,806,846.20/651,762.77
  6. Step 6: Final answer
    x = 504,089.56

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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.