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Finding the Fourth Proportional to 544,617.60, 816,004.80 and 357,532.80

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Solution

The fourth proportional to 544,617.60, 816,004.80 and 357,532.80 is: 535,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,617.60 : 816,004.80 = 357,532.80 : x
  2. Step 2: Convert to fraction form
    544,617.60/816,004.80 = 357,532.80/x
  3. Step 3: Cross multiply
    544,617.60x = 816,004.80 × 357,532.80
  4. Step 4: Simplify right side
    544,617.60x = 291,748,480,957.44
  5. Step 5: Solve for x
    x = 291,748,480,957.44/544,617.60
  6. Step 6: Final answer
    x = 535,694.18

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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.