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Finding the Fourth Proportional to 334,011.40, 501,065.70 and 109,317.40

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Solution

The fourth proportional to 334,011.40, 501,065.70 and 109,317.40 is: 163,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,011.40 : 501,065.70 = 109,317.40 : x
  2. Step 2: Convert to fraction form
    334,011.40/501,065.70 = 109,317.40/x
  3. Step 3: Cross multiply
    334,011.40x = 501,065.70 × 109,317.40
  4. Step 4: Simplify right side
    334,011.40x = 54,775,199,553.18
  5. Step 5: Solve for x
    x = 54,775,199,553.18/334,011.40
  6. Step 6: Final answer
    x = 163,992.01

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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.