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Finding the Fourth Proportional to 368,924.64, 553,303.76 and 240,800.56

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Solution

The fourth proportional to 368,924.64, 553,303.76 and 240,800.56 is: 361,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,924.64 : 553,303.76 = 240,800.56 : x
  2. Step 2: Convert to fraction form
    368,924.64/553,303.76 = 240,800.56/x
  3. Step 3: Cross multiply
    368,924.64x = 553,303.76 × 240,800.56
  4. Step 4: Simplify right side
    368,924.64x = 133,235,855,258.11
  5. Step 5: Solve for x
    x = 133,235,855,258.11/368,924.64
  6. Step 6: Final answer
    x = 361,146.53

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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.