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Finding the Fourth Proportional to 357,480.10, 535,403.58 and 170,622.82

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Solution

The fourth proportional to 357,480.10, 535,403.58 and 170,622.82 is: 255,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,480.10 : 535,403.58 = 170,622.82 : x
  2. Step 2: Convert to fraction form
    357,480.10/535,403.58 = 170,622.82/x
  3. Step 3: Cross multiply
    357,480.10x = 535,403.58 × 170,622.82
  4. Step 4: Simplify right side
    357,480.10x = 91,352,068,657.70
  5. Step 5: Solve for x
    x = 91,352,068,657.70/357,480.10
  6. Step 6: Final answer
    x = 255,544.49

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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.