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Finding the Fourth Proportional to 334,189.80, 501,284.70 and 318,637.80

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Solution

The fourth proportional to 334,189.80, 501,284.70 and 318,637.80 is: 477,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,189.80 : 501,284.70 = 318,637.80 : x
  2. Step 2: Convert to fraction form
    334,189.80/501,284.70 = 318,637.80/x
  3. Step 3: Cross multiply
    334,189.80x = 501,284.70 × 318,637.80
  4. Step 4: Simplify right side
    334,189.80x = 159,728,253,981.66
  5. Step 5: Solve for x
    x = 159,728,253,981.66/334,189.80
  6. Step 6: Final answer
    x = 477,956.70

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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.