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Finding the Fourth Proportional to 520,300.58, 780,585.53 and 160,463.48

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Solution

The fourth proportional to 520,300.58, 780,585.53 and 160,463.48 is: 240,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,300.58 : 780,585.53 = 160,463.48 : x
  2. Step 2: Convert to fraction form
    520,300.58/780,585.53 = 160,463.48/x
  3. Step 3: Cross multiply
    520,300.58x = 780,585.53 × 160,463.48
  4. Step 4: Simplify right side
    520,300.58x = 125,255,470,581.44
  5. Step 5: Solve for x
    x = 125,255,470,581.44/520,300.58
  6. Step 6: Final answer
    x = 240,736.75

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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.