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Finding the Fourth Proportional to 333,778.56, 500,698.56 and 109,140.16

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Solution

The fourth proportional to 333,778.56, 500,698.56 and 109,140.16 is: 163,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,778.56 : 500,698.56 = 109,140.16 : x
  2. Step 2: Convert to fraction form
    333,778.56/500,698.56 = 109,140.16/x
  3. Step 3: Cross multiply
    333,778.56x = 500,698.56 × 109,140.16
  4. Step 4: Simplify right side
    333,778.56x = 54,646,320,950.17
  5. Step 5: Solve for x
    x = 54,646,320,950.17/333,778.56
  6. Step 6: Final answer
    x = 163,720.28

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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.