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Finding the Fourth Proportional to 538,370.40, 807,555.60 and 183,784.80

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Solution

The fourth proportional to 538,370.40, 807,555.60 and 183,784.80 is: 275,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,370.40 : 807,555.60 = 183,784.80 : x
  2. Step 2: Convert to fraction form
    538,370.40/807,555.60 = 183,784.80/x
  3. Step 3: Cross multiply
    538,370.40x = 807,555.60 × 183,784.80
  4. Step 4: Simplify right side
    538,370.40x = 148,416,444,434.88
  5. Step 5: Solve for x
    x = 148,416,444,434.88/538,370.40
  6. Step 6: Final answer
    x = 275,677.20

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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.