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Finding the Fourth Proportional to 539,304.94, 808,931.13 and 202,319.33

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Solution

The fourth proportional to 539,304.94, 808,931.13 and 202,319.33 is: 303,469.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,304.94 : 808,931.13 = 202,319.33 : x
  2. Step 2: Convert to fraction form
    539,304.94/808,931.13 = 202,319.33/x
  3. Step 3: Cross multiply
    539,304.94x = 808,931.13 × 202,319.33
  4. Step 4: Simplify right side
    539,304.94x = 163,662,405,691.21
  5. Step 5: Solve for x
    x = 163,662,405,691.21/539,304.94
  6. Step 6: Final answer
    x = 303,469.14

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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.