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Finding the Fourth Proportional to 520,295.01, 780,516.92 and 160,496.25

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Solution

The fourth proportional to 520,295.01, 780,516.92 and 160,496.25 is: 240,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,295.01 : 780,516.92 = 160,496.25 : x
  2. Step 2: Convert to fraction form
    520,295.01/780,516.92 = 160,496.25/x
  3. Step 3: Cross multiply
    520,295.01x = 780,516.92 × 160,496.25
  4. Step 4: Simplify right side
    520,295.01x = 125,270,038,721.55
  5. Step 5: Solve for x
    x = 125,270,038,721.55/520,295.01
  6. Step 6: Final answer
    x = 240,767.33

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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.