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Finding the Fourth Proportional to 397,407.60, 596,111.40 and 160,628.40

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Solution

The fourth proportional to 397,407.60, 596,111.40 and 160,628.40 is: 240,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,407.60 : 596,111.40 = 160,628.40 : x
  2. Step 2: Convert to fraction form
    397,407.60/596,111.40 = 160,628.40/x
  3. Step 3: Cross multiply
    397,407.60x = 596,111.40 × 160,628.40
  4. Step 4: Simplify right side
    397,407.60x = 95,752,420,403.76
  5. Step 5: Solve for x
    x = 95,752,420,403.76/397,407.60
  6. Step 6: Final answer
    x = 240,942.60

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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.