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Finding the Fourth Proportional to 368,852.85, 553,279.28 and 366,520.05

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Solution

The fourth proportional to 368,852.85, 553,279.28 and 366,520.05 is: 549,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,852.85 : 553,279.28 = 366,520.05 : x
  2. Step 2: Convert to fraction form
    368,852.85/553,279.28 = 366,520.05/x
  3. Step 3: Cross multiply
    368,852.85x = 553,279.28 × 366,520.05
  4. Step 4: Simplify right side
    368,852.85x = 202,787,947,536.96
  5. Step 5: Solve for x
    x = 202,787,947,536.96/368,852.85
  6. Step 6: Final answer
    x = 549,780.08

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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.