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Finding the Fourth Proportional to 260,954.65, 360,111.29 and 153,531.60

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Solution

The fourth proportional to 260,954.65, 360,111.29 and 153,531.60 is: 211,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,954.65 : 360,111.29 = 153,531.60 : x
  2. Step 2: Convert to fraction form
    260,954.65/360,111.29 = 153,531.60/x
  3. Step 3: Cross multiply
    260,954.65x = 360,111.29 × 153,531.60
  4. Step 4: Simplify right side
    260,954.65x = 55,288,462,531.76
  5. Step 5: Solve for x
    x = 55,288,462,531.76/260,954.65
  6. Step 6: Final answer
    x = 211,870.00

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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.