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Finding the Fourth Proportional to 459,998.39, 634,797.73 and 256,044.95

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Solution

The fourth proportional to 459,998.39, 634,797.73 and 256,044.95 is: 353,342.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,998.39 : 634,797.73 = 256,044.95 : x
  2. Step 2: Convert to fraction form
    459,998.39/634,797.73 = 256,044.95/x
  3. Step 3: Cross multiply
    459,998.39x = 634,797.73 × 256,044.95
  4. Step 4: Simplify right side
    459,998.39x = 162,536,748,583.75
  5. Step 5: Solve for x
    x = 162,536,748,583.75/459,998.39
  6. Step 6: Final answer
    x = 353,342.00

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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.