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Finding the Fourth Proportional to 200,528.55, 300,794.52 and 160,448.20

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Solution

The fourth proportional to 200,528.55, 300,794.52 and 160,448.20 is: 240,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,528.55 : 300,794.52 = 160,448.20 : x
  2. Step 2: Convert to fraction form
    200,528.55/300,794.52 = 160,448.20/x
  3. Step 3: Cross multiply
    200,528.55x = 300,794.52 × 160,448.20
  4. Step 4: Simplify right side
    200,528.55x = 48,261,939,303.86
  5. Step 5: Solve for x
    x = 48,261,939,303.86/200,528.55
  6. Step 6: Final answer
    x = 240,673.66

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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.