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Finding the Fourth Proportional to 532,012.80, 798,116.40 and 216,501.60

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Solution

The fourth proportional to 532,012.80, 798,116.40 and 216,501.60 is: 324,791.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,012.80 : 798,116.40 = 216,501.60 : x
  2. Step 2: Convert to fraction form
    532,012.80/798,116.40 = 216,501.60/x
  3. Step 3: Cross multiply
    532,012.80x = 798,116.40 × 216,501.60
  4. Step 4: Simplify right side
    532,012.80x = 172,793,477,586.24
  5. Step 5: Solve for x
    x = 172,793,477,586.24/532,012.80
  6. Step 6: Final answer
    x = 324,791.96

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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.