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Finding the Fourth Proportional to 459,442.40, 633,937.59 and 268,418.88

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Solution

The fourth proportional to 459,442.40, 633,937.59 and 268,418.88 is: 370,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,442.40 : 633,937.59 = 268,418.88 : x
  2. Step 2: Convert to fraction form
    459,442.40/633,937.59 = 268,418.88/x
  3. Step 3: Cross multiply
    459,442.40x = 633,937.59 × 268,418.88
  4. Step 4: Simplify right side
    459,442.40x = 170,160,818,652.63
  5. Step 5: Solve for x
    x = 170,160,818,652.63/459,442.40
  6. Step 6: Final answer
    x = 370,363.77

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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.