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Finding the Fourth Proportional to 544,980.76, 817,526.88 and 208,304.80

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Solution

The fourth proportional to 544,980.76, 817,526.88 and 208,304.80 is: 312,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,980.76 : 817,526.88 = 208,304.80 : x
  2. Step 2: Convert to fraction form
    544,980.76/817,526.88 = 208,304.80/x
  3. Step 3: Cross multiply
    544,980.76x = 817,526.88 × 208,304.80
  4. Step 4: Simplify right side
    544,980.76x = 170,294,773,233.02
  5. Step 5: Solve for x
    x = 170,294,773,233.02/544,980.76
  6. Step 6: Final answer
    x = 312,478.51

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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.