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Finding the Fourth Proportional to 260,585.76, 359,116.84 and 208,844.04

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Solution

The fourth proportional to 260,585.76, 359,116.84 and 208,844.04 is: 287,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,585.76 : 359,116.84 = 208,844.04 : x
  2. Step 2: Convert to fraction form
    260,585.76/359,116.84 = 208,844.04/x
  3. Step 3: Cross multiply
    260,585.76x = 359,116.84 × 208,844.04
  4. Step 4: Simplify right side
    260,585.76x = 74,999,411,697.63
  5. Step 5: Solve for x
    x = 74,999,411,697.63/260,585.76
  6. Step 6: Final answer
    x = 287,810.86

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1.5x scale

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.