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Finding the Fourth Proportional to 333,333.86, 500,052.76 and 108,642.18

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Solution

The fourth proportional to 333,333.86, 500,052.76 and 108,642.18 is: 162,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,333.86 : 500,052.76 = 108,642.18 : x
  2. Step 2: Convert to fraction form
    333,333.86/500,052.76 = 108,642.18/x
  3. Step 3: Cross multiply
    333,333.86x = 500,052.76 × 108,642.18
  4. Step 4: Simplify right side
    333,333.86x = 54,326,821,961.42
  5. Step 5: Solve for x
    x = 54,326,821,961.42/333,333.86
  6. Step 6: Final answer
    x = 162,980.21

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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.