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Finding the Fourth Proportional to 459,058.55, 633,516.18 and 255,118.06

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Solution

The fourth proportional to 459,058.55, 633,516.18 and 255,118.06 is: 352,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,058.55 : 633,516.18 = 255,118.06 : x
  2. Step 2: Convert to fraction form
    459,058.55/633,516.18 = 255,118.06/x
  3. Step 3: Cross multiply
    459,058.55x = 633,516.18 × 255,118.06
  4. Step 4: Simplify right side
    459,058.55x = 161,621,418,655.41
  5. Step 5: Solve for x
    x = 161,621,418,655.41/459,058.55
  6. Step 6: Final answer
    x = 352,071.47

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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.