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Finding the Fourth Proportional to 459,602.76, 634,250.22 and 258,398.76

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Solution

The fourth proportional to 459,602.76, 634,250.22 and 258,398.76 is: 356,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,602.76 : 634,250.22 = 258,398.76 : x
  2. Step 2: Convert to fraction form
    459,602.76/634,250.22 = 258,398.76/x
  3. Step 3: Cross multiply
    459,602.76x = 634,250.22 × 258,398.76
  4. Step 4: Simplify right side
    459,602.76x = 163,889,470,377.73
  5. Step 5: Solve for x
    x = 163,889,470,377.73/459,602.76
  6. Step 6: Final answer
    x = 356,589.40

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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.