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Finding the Fourth Proportional to 369,371.60, 554,057.40 and 367,038.80

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Solution

The fourth proportional to 369,371.60, 554,057.40 and 367,038.80 is: 550,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,371.60 : 554,057.40 = 367,038.80 : x
  2. Step 2: Convert to fraction form
    369,371.60/554,057.40 = 367,038.80/x
  3. Step 3: Cross multiply
    369,371.60x = 554,057.40 × 367,038.80
  4. Step 4: Simplify right side
    369,371.60x = 203,360,563,227.12
  5. Step 5: Solve for x
    x = 203,360,563,227.12/369,371.60
  6. Step 6: Final answer
    x = 550,558.20

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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.