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Finding the Fourth Proportional to 333,688.02, 500,570.91 and 109,065.30

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Solution

The fourth proportional to 333,688.02, 500,570.91 and 109,065.30 is: 163,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,688.02 : 500,570.91 = 109,065.30 : x
  2. Step 2: Convert to fraction form
    333,688.02/500,570.91 = 109,065.30/x
  3. Step 3: Cross multiply
    333,688.02x = 500,570.91 × 109,065.30
  4. Step 4: Simplify right side
    333,688.02x = 54,594,916,470.42
  5. Step 5: Solve for x
    x = 54,594,916,470.42/333,688.02
  6. Step 6: Final answer
    x = 163,610.66

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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.