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Finding the Fourth Proportional to 328,842.18, 453,804.32 and 192,848.45

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Solution

The fourth proportional to 328,842.18, 453,804.32 and 192,848.45 is: 266,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,842.18 : 453,804.32 = 192,848.45 : x
  2. Step 2: Convert to fraction form
    328,842.18/453,804.32 = 192,848.45/x
  3. Step 3: Cross multiply
    328,842.18x = 453,804.32 × 192,848.45
  4. Step 4: Simplify right side
    328,842.18x = 87,515,457,928.40
  5. Step 5: Solve for x
    x = 87,515,457,928.40/328,842.18
  6. Step 6: Final answer
    x = 266,132.09

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1.5x scale

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.