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Finding the Fourth Proportional to 265,455.60, 366,302.16 and 163,464.72

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Solution

The fourth proportional to 265,455.60, 366,302.16 and 163,464.72 is: 225,564.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,455.60 : 366,302.16 = 163,464.72 : x
  2. Step 2: Convert to fraction form
    265,455.60/366,302.16 = 163,464.72/x
  3. Step 3: Cross multiply
    265,455.60x = 366,302.16 × 163,464.72
  4. Step 4: Simplify right side
    265,455.60x = 59,877,480,019.80
  5. Step 5: Solve for x
    x = 59,877,480,019.80/265,455.60
  6. Step 6: Final answer
    x = 225,564.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.