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Finding the Fourth Proportional to 313,785.46, 433,024.53 and 170,545.16

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Solution

The fourth proportional to 313,785.46, 433,024.53 and 170,545.16 is: 235,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,785.46 : 433,024.53 = 170,545.16 : x
  2. Step 2: Convert to fraction form
    313,785.46/433,024.53 = 170,545.16/x
  3. Step 3: Cross multiply
    313,785.46x = 433,024.53 × 170,545.16
  4. Step 4: Simplify right side
    313,785.46x = 73,850,237,752.77
  5. Step 5: Solve for x
    x = 73,850,237,752.77/313,785.46
  6. Step 6: Final answer
    x = 235,352.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.