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Finding the Fourth Proportional to 539,220, 808,849.44 and 202,226.40

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Solution

The fourth proportional to 539,220, 808,849.44 and 202,226.40 is: 303,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,220 : 808,849.44 = 202,226.40 : x
  2. Step 2: Convert to fraction form
    539,220/808,849.44 = 202,226.40/x
  3. Step 3: Cross multiply
    539,220x = 808,849.44 × 202,226.40
  4. Step 4: Simplify right side
    539,220x = 163,570,710,393.22
  5. Step 5: Solve for x
    x = 163,570,710,393.22/539,220
  6. Step 6: Final answer
    x = 303,346.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.