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Finding the Fourth Proportional to 459,790.84, 634,416.28 and 268,767.28

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Solution

The fourth proportional to 459,790.84, 634,416.28 and 268,767.28 is: 370,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,790.84 : 634,416.28 = 268,767.28 : x
  2. Step 2: Convert to fraction form
    459,790.84/634,416.28 = 268,767.28/x
  3. Step 3: Cross multiply
    459,790.84x = 634,416.28 × 268,767.28
  4. Step 4: Simplify right side
    459,790.84x = 170,510,337,963.32
  5. Step 5: Solve for x
    x = 170,510,337,963.32/459,790.84
  6. Step 6: Final answer
    x = 370,843.27

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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.