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Finding the Fourth Proportional to 459,995.37, 634,800.78 and 256,048.53

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Solution

The fourth proportional to 459,995.37, 634,800.78 and 256,048.53 is: 353,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,995.37 : 634,800.78 = 256,048.53 : x
  2. Step 2: Convert to fraction form
    459,995.37/634,800.78 = 256,048.53/x
  3. Step 3: Cross multiply
    459,995.37x = 634,800.78 × 256,048.53
  4. Step 4: Simplify right side
    459,995.37x = 162,539,806,561.85
  5. Step 5: Solve for x
    x = 162,539,806,561.85/459,995.37
  6. Step 6: Final answer
    x = 353,350.96

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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.