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Finding the Fourth Proportional to 631,830.60, 948,005.10 and 232,662.60

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Solution

The fourth proportional to 631,830.60, 948,005.10 and 232,662.60 is: 349,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,830.60 : 948,005.10 = 232,662.60 : x
  2. Step 2: Convert to fraction form
    631,830.60/948,005.10 = 232,662.60/x
  3. Step 3: Cross multiply
    631,830.60x = 948,005.10 × 232,662.60
  4. Step 4: Simplify right side
    631,830.60x = 220,565,331,379.26
  5. Step 5: Solve for x
    x = 220,565,331,379.26/631,830.60
  6. Step 6: Final answer
    x = 349,089.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.