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Finding the Fourth Proportional to 363,661.60, 545,624 and 186,252.16

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Solution

The fourth proportional to 363,661.60, 545,624 and 186,252.16 is: 279,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,661.60 : 545,624 = 186,252.16 : x
  2. Step 2: Convert to fraction form
    363,661.60/545,624 = 186,252.16/x
  3. Step 3: Cross multiply
    363,661.60x = 545,624 × 186,252.16
  4. Step 4: Simplify right side
    363,661.60x = 101,623,648,547.84
  5. Step 5: Solve for x
    x = 101,623,648,547.84/363,661.60
  6. Step 6: Final answer
    x = 279,445.64

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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.