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Finding the Fourth Proportional to 260,977.71, 360,132.19 and 153,526.98

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Solution

The fourth proportional to 260,977.71, 360,132.19 and 153,526.98 is: 211,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,977.71 : 360,132.19 = 153,526.98 : x
  2. Step 2: Convert to fraction form
    260,977.71/360,132.19 = 153,526.98/x
  3. Step 3: Cross multiply
    260,977.71x = 360,132.19 × 153,526.98
  4. Step 4: Simplify right side
    260,977.71x = 55,290,007,147.67
  5. Step 5: Solve for x
    x = 55,290,007,147.67/260,977.71
  6. Step 6: Final answer
    x = 211,857.20

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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.