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Finding the Fourth Proportional to 532,542.40, 798,424.80 and 216,836.80

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Solution

The fourth proportional to 532,542.40, 798,424.80 and 216,836.80 is: 325,096.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,542.40 : 798,424.80 = 216,836.80 : x
  2. Step 2: Convert to fraction form
    532,542.40/798,424.80 = 216,836.80/x
  3. Step 3: Cross multiply
    532,542.40x = 798,424.80 × 216,836.80
  4. Step 4: Simplify right side
    532,542.40x = 173,127,878,672.64
  5. Step 5: Solve for x
    x = 173,127,878,672.64/532,542.40
  6. Step 6: Final answer
    x = 325,096.89

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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.