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Finding the Fourth Proportional to 459,053.60, 633,494.25 and 255,123.50

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Solution

The fourth proportional to 459,053.60, 633,494.25 and 255,123.50 is: 352,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,053.60 : 633,494.25 = 255,123.50 : x
  2. Step 2: Convert to fraction form
    459,053.60/633,494.25 = 255,123.50/x
  3. Step 3: Cross multiply
    459,053.60x = 633,494.25 × 255,123.50
  4. Step 4: Simplify right side
    459,053.60x = 161,619,267,122.40
  5. Step 5: Solve for x
    x = 161,619,267,122.40/459,053.60
  6. Step 6: Final answer
    x = 352,070.58

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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.