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Finding the Fourth Proportional to 508,532.18, 762,924.02 and 359,065.31

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Solution

The fourth proportional to 508,532.18, 762,924.02 and 359,065.31 is: 538,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,532.18 : 762,924.02 = 359,065.31 : x
  2. Step 2: Convert to fraction form
    508,532.18/762,924.02 = 359,065.31/x
  3. Step 3: Cross multiply
    508,532.18x = 762,924.02 × 359,065.31
  4. Step 4: Simplify right side
    508,532.18x = 273,939,544,137.80
  5. Step 5: Solve for x
    x = 273,939,544,137.80/508,532.18
  6. Step 6: Final answer
    x = 538,686.75

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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.