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Finding the Fourth Proportional to 504,650.37, 696,471.53 and 308,531.93

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Solution

The fourth proportional to 504,650.37, 696,471.53 and 308,531.93 is: 425,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,650.37 : 696,471.53 = 308,531.93 : x
  2. Step 2: Convert to fraction form
    504,650.37/696,471.53 = 308,531.93/x
  3. Step 3: Cross multiply
    504,650.37x = 696,471.53 × 308,531.93
  4. Step 4: Simplify right side
    504,650.37x = 214,883,700,315.94
  5. Step 5: Solve for x
    x = 214,883,700,315.94/504,650.37
  6. Step 6: Final answer
    x = 425,807.08

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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.