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Finding the Fourth Proportional to 369,254.60, 553,881.90 and 366,921.80

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Solution

The fourth proportional to 369,254.60, 553,881.90 and 366,921.80 is: 550,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,254.60 : 553,881.90 = 366,921.80 : x
  2. Step 2: Convert to fraction form
    369,254.60/553,881.90 = 366,921.80/x
  3. Step 3: Cross multiply
    369,254.60x = 553,881.90 × 366,921.80
  4. Step 4: Simplify right side
    369,254.60x = 203,231,343,735.42
  5. Step 5: Solve for x
    x = 203,231,343,735.42/369,254.60
  6. Step 6: Final answer
    x = 550,382.70

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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.