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Finding the Fourth Proportional to 355,824.80, 534,028.80 and 344,160.80

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Solution

The fourth proportional to 355,824.80, 534,028.80 and 344,160.80 is: 516,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,824.80 : 534,028.80 = 344,160.80 : x
  2. Step 2: Convert to fraction form
    355,824.80/534,028.80 = 344,160.80/x
  3. Step 3: Cross multiply
    355,824.80x = 534,028.80 × 344,160.80
  4. Step 4: Simplify right side
    355,824.80x = 183,791,779,031.04
  5. Step 5: Solve for x
    x = 183,791,779,031.04/355,824.80
  6. Step 6: Final answer
    x = 516,523.24

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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.