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Finding the Fourth Proportional to 240,521.40, 360,779.54 and 74,310.84

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Solution

The fourth proportional to 240,521.40, 360,779.54 and 74,310.84 is: 111,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,521.40 : 360,779.54 = 74,310.84 : x
  2. Step 2: Convert to fraction form
    240,521.40/360,779.54 = 74,310.84/x
  3. Step 3: Cross multiply
    240,521.40x = 360,779.54 × 74,310.84
  4. Step 4: Simplify right side
    240,521.40x = 26,809,830,672.21
  5. Step 5: Solve for x
    x = 26,809,830,672.21/240,521.40
  6. Step 6: Final answer
    x = 111,465.47

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1.5x scale

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.