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Finding the Fourth Proportional to 459,368.55, 633,927.60 and 255,412.98

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Solution

The fourth proportional to 459,368.55, 633,927.60 and 255,412.98 is: 352,469.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,368.55 : 633,927.60 = 255,412.98 : x
  2. Step 2: Convert to fraction form
    459,368.55/633,927.60 = 255,412.98/x
  3. Step 3: Cross multiply
    459,368.55x = 633,927.60 × 255,412.98
  4. Step 4: Simplify right side
    459,368.55x = 161,913,337,420.25
  5. Step 5: Solve for x
    x = 161,913,337,420.25/459,368.55
  6. Step 6: Final answer
    x = 352,469.36

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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.