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Finding the Fourth Proportional to 539,085.80, 808,677.30 and 223,477.40

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Solution

The fourth proportional to 539,085.80, 808,677.30 and 223,477.40 is: 335,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,085.80 : 808,677.30 = 223,477.40 : x
  2. Step 2: Convert to fraction form
    539,085.80/808,677.30 = 223,477.40/x
  3. Step 3: Cross multiply
    539,085.80x = 808,677.30 × 223,477.40
  4. Step 4: Simplify right side
    539,085.80x = 180,721,100,443.02
  5. Step 5: Solve for x
    x = 180,721,100,443.02/539,085.80
  6. Step 6: Final answer
    x = 335,236.25

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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.