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Finding the Fourth Proportional to 331,484.40, 497,226.60 and 153,932.40

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Solution

The fourth proportional to 331,484.40, 497,226.60 and 153,932.40 is: 230,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,484.40 : 497,226.60 = 153,932.40 : x
  2. Step 2: Convert to fraction form
    331,484.40/497,226.60 = 153,932.40/x
  3. Step 3: Cross multiply
    331,484.40x = 497,226.60 × 153,932.40
  4. Step 4: Simplify right side
    331,484.40x = 76,539,283,881.84
  5. Step 5: Solve for x
    x = 76,539,283,881.84/331,484.40
  6. Step 6: Final answer
    x = 230,898.60

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1.5x scale

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.