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Finding the Fourth Proportional to 333,758.40, 500,686.20 and 109,064.40

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Solution

The fourth proportional to 333,758.40, 500,686.20 and 109,064.40 is: 163,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,758.40 : 500,686.20 = 109,064.40 : x
  2. Step 2: Convert to fraction form
    333,758.40/500,686.20 = 109,064.40/x
  3. Step 3: Cross multiply
    333,758.40x = 500,686.20 × 109,064.40
  4. Step 4: Simplify right side
    333,758.40x = 54,607,039,991.28
  5. Step 5: Solve for x
    x = 54,607,039,991.28/333,758.40
  6. Step 6: Final answer
    x = 163,612.48

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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.