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Finding the Fourth Proportional to 265,779.25, 398,225.07 and 186,752.00

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Solution

The fourth proportional to 265,779.25, 398,225.07 and 186,752.00 is: 279,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,779.25 : 398,225.07 = 186,752.00 : x
  2. Step 2: Convert to fraction form
    265,779.25/398,225.07 = 186,752.00/x
  3. Step 3: Cross multiply
    265,779.25x = 398,225.07 × 186,752.00
  4. Step 4: Simplify right side
    265,779.25x = 74,369,329,268.20
  5. Step 5: Solve for x
    x = 74,369,329,268.20/265,779.25
  6. Step 6: Final answer
    x = 279,816.16

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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.