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Finding the Fourth Proportional to 366,417.32, 548,813.95 and 281,552.81

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Solution

The fourth proportional to 366,417.32, 548,813.95 and 281,552.81 is: 421,705.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,417.32 : 548,813.95 = 281,552.81 : x
  2. Step 2: Convert to fraction form
    366,417.32/548,813.95 = 281,552.81/x
  3. Step 3: Cross multiply
    366,417.32x = 548,813.95 × 281,552.81
  4. Step 4: Simplify right side
    366,417.32x = 154,520,106,341.75
  5. Step 5: Solve for x
    x = 154,520,106,341.75/366,417.32
  6. Step 6: Final answer
    x = 421,705.25

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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.