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Finding the Fourth Proportional to 333,864.40, 500,116.20 and 207,115.60

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Solution

The fourth proportional to 333,864.40, 500,116.20 and 207,115.60 is: 310,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,864.40 : 500,116.20 = 207,115.60 : x
  2. Step 2: Convert to fraction form
    333,864.40/500,116.20 = 207,115.60/x
  3. Step 3: Cross multiply
    333,864.40x = 500,116.20 × 207,115.60
  4. Step 4: Simplify right side
    333,864.40x = 103,581,866,832.72
  5. Step 5: Solve for x
    x = 103,581,866,832.72/333,864.40
  6. Step 6: Final answer
    x = 310,251.31

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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.