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Finding the Fourth Proportional to 357,555.75, 536,219.73 and 117,614.76

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Solution

The fourth proportional to 357,555.75, 536,219.73 and 117,614.76 is: 176,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,555.75 : 536,219.73 = 117,614.76 : x
  2. Step 2: Convert to fraction form
    357,555.75/536,219.73 = 117,614.76/x
  3. Step 3: Cross multiply
    357,555.75x = 536,219.73 × 117,614.76
  4. Step 4: Simplify right side
    357,555.75x = 63,067,354,851.21
  5. Step 5: Solve for x
    x = 63,067,354,851.21/357,555.75
  6. Step 6: Final answer
    x = 176,384.68

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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.