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Finding the Fourth Proportional to 544,061.80, 762,308.60 and 544,061.80

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Solution

The fourth proportional to 544,061.80, 762,308.60 and 544,061.80 is: 762,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,061.80 : 762,308.60 = 544,061.80 : x
  2. Step 2: Convert to fraction form
    544,061.80/762,308.60 = 544,061.80/x
  3. Step 3: Cross multiply
    544,061.80x = 762,308.60 × 544,061.80
  4. Step 4: Simplify right side
    544,061.80x = 414,742,989,071.48
  5. Step 5: Solve for x
    x = 414,742,989,071.48/544,061.80
  6. Step 6: Final answer
    x = 762,308.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.