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Finding the Fourth Proportional to 333,557.64, 500,415.57 and 108,918.18

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Solution

The fourth proportional to 333,557.64, 500,415.57 and 108,918.18 is: 163,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,557.64 : 500,415.57 = 108,918.18 : x
  2. Step 2: Convert to fraction form
    333,557.64/500,415.57 = 108,918.18/x
  3. Step 3: Cross multiply
    333,557.64x = 500,415.57 × 108,918.18
  4. Step 4: Simplify right side
    333,557.64x = 54,504,353,128.06
  5. Step 5: Solve for x
    x = 54,504,353,128.06/333,557.64
  6. Step 6: Final answer
    x = 163,403.10

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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.