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Finding the Fourth Proportional to 369,390.60, 554,085.90 and 367,057.80

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Solution

The fourth proportional to 369,390.60, 554,085.90 and 367,057.80 is: 550,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,390.60 : 554,085.90 = 367,057.80 : x
  2. Step 2: Convert to fraction form
    369,390.60/554,085.90 = 367,057.80/x
  3. Step 3: Cross multiply
    369,390.60x = 554,085.90 × 367,057.80
  4. Step 4: Simplify right side
    369,390.60x = 203,381,551,465.02
  5. Step 5: Solve for x
    x = 203,381,551,465.02/369,390.60
  6. Step 6: Final answer
    x = 550,586.70

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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.